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Finding the Fourth Proportional to 31,842.36, 43,942.14 and 17,694.90

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Solution

The fourth proportional to 31,842.36, 43,942.14 and 17,694.90 is: 24,418.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,842.36 : 43,942.14 = 17,694.90 : x
  2. Step 2: Convert to fraction form
    31,842.36/43,942.14 = 17,694.90/x
  3. Step 3: Cross multiply
    31,842.36x = 43,942.14 × 17,694.90
  4. Step 4: Simplify right side
    31,842.36x = 777,551,773.09
  5. Step 5: Solve for x
    x = 777,551,773.09/31,842.36
  6. Step 6: Final answer
    x = 24,418.79

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