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      Question

      Determine the fourth proportional

      to the numbers 12, 7, and 36.
      A 21 Correct Answer Incorrect Answer
      B 11 Correct Answer Incorrect Answer
      C 27 Correct Answer Incorrect Answer
      D 33 Correct Answer Incorrect Answer

      Solution

      ATQ,

      Let fourth proportion be β€˜p’ So, (12/7) = (36/p) Or, p = 21 Therefore, fourth proportion = 21

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