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      Question

      What is the fourth proportion of 18, 22 and

      27?
      A 44 Correct Answer Incorrect Answer
      B 52 Correct Answer Incorrect Answer
      C 60 Correct Answer Incorrect Answer
      D 33 Correct Answer Incorrect Answer

      Solution

      We know the formula to find the fourth proportion - => a : b = c : d => 18 : 22 :: 27 : d => d = (27 × 22)/18 => d = 33

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