
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
A company conducts quality checks on a batch of products using systematic sampling. From 100 products, 5 are to be sampled for testing. The products are randomly numbered and divided into 5 groups: Group 1 contains numbers 1–20, Group 2 contains numbers 21–40, and so on up to Group 5 containing numbers 81–100. If the number sampled from the second group is 24, then the number to be sampled from the fourth group is ______.

Present the answer in LaTex format: \boxed{Your answer}
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