
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
Given that there are 56 students with seat numbers ranging from 1 to 56, and a sample of size 4 is drawn using the method of systematic sampling, with students with seat numbers 4, 18, and 46 already known to be in the sample, calculate the seat number of the fourth student in the sample.

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