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Finding the Fourth Proportional to 18,355.92, 27,520.38 and 5,868.78

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Solution

The fourth proportional to 18,355.92, 27,520.38 and 5,868.78 is: 8,798.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,355.92 : 27,520.38 = 5,868.78 : x
  2. Step 2: Convert to fraction form
    18,355.92/27,520.38 = 5,868.78/x
  3. Step 3: Cross multiply
    18,355.92x = 27,520.38 × 5,868.78
  4. Step 4: Simplify right side
    18,355.92x = 161,511,055.74
  5. Step 5: Solve for x
    x = 161,511,055.74/18,355.92
  6. Step 6: Final answer
    x = 8,798.85

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