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      Question

      What is the fourth proportion of 17, 19 and

      34?
      A 49 Correct Answer Incorrect Answer
      B 38 Correct Answer Incorrect Answer
      C 62 Correct Answer Incorrect Answer
      D 50 Correct Answer Incorrect Answer

      Solution

      We know the formula to find the fourth proportion - => a : b = c : d => 17 : 19 :: 34 : d => d = (34 × 19)/17 => d = 38

      Practice Next
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