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Finding the Fourth Proportional to 31,073.48, 42,881.48 and 16,926.02

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Solution

The fourth proportional to 31,073.48, 42,881.48 and 16,926.02 is: 23,357.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,073.48 : 42,881.48 = 16,926.02 : x
  2. Step 2: Convert to fraction form
    31,073.48/42,881.48 = 16,926.02/x
  3. Step 3: Cross multiply
    31,073.48x = 42,881.48 × 16,926.02
  4. Step 4: Simplify right side
    31,073.48x = 725,812,874.16
  5. Step 5: Solve for x
    x = 725,812,874.16/31,073.48
  6. Step 6: Final answer
    x = 23,357.95

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