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Finding the Fourth Proportional to 39,711.52, 59,476.56 and 18,949.60

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Solution

The fourth proportional to 39,711.52, 59,476.56 and 18,949.60 is: 28,381.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,711.52 : 59,476.56 = 18,949.60 : x
  2. Step 2: Convert to fraction form
    39,711.52/59,476.56 = 18,949.60/x
  3. Step 3: Cross multiply
    39,711.52x = 59,476.56 × 18,949.60
  4. Step 4: Simplify right side
    39,711.52x = 1,127,057,021.38
  5. Step 5: Solve for x
    x = 1,127,057,021.38/39,711.52
  6. Step 6: Final answer
    x = 28,381.11

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