
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
In Class 1 of Grade 12, there are a total of 56 students, numbered consecutively from 1 to 56. A systematic sampling method is used to draw a sample of 4 students. It is known that students with the numbers 6, 34, and 48 are included in the sample. Determine the number of the fourth student in the sample.

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