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Finding the Fourth Proportional to 22,865.76, 31,553.28 and 12,793.68

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Solution

The fourth proportional to 22,865.76, 31,553.28 and 12,793.68 is: 17,654.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,865.76 : 31,553.28 = 12,793.68 : x
  2. Step 2: Convert to fraction form
    22,865.76/31,553.28 = 12,793.68/x
  3. Step 3: Cross multiply
    22,865.76x = 31,553.28 × 12,793.68
  4. Step 4: Simplify right side
    22,865.76x = 403,682,567.27
  5. Step 5: Solve for x
    x = 403,682,567.27/22,865.76
  6. Step 6: Final answer
    x = 17,654.46

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