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Finding the Fourth Proportional to 49,591.88, 74,387.82 and 12,655.88

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Solution

The fourth proportional to 49,591.88, 74,387.82 and 12,655.88 is: 18,983.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,591.88 : 74,387.82 = 12,655.88 : x
  2. Step 2: Convert to fraction form
    49,591.88/74,387.82 = 12,655.88/x
  3. Step 3: Cross multiply
    49,591.88x = 74,387.82 × 12,655.88
  4. Step 4: Simplify right side
    49,591.88x = 941,442,951.44
  5. Step 5: Solve for x
    x = 941,442,951.44/49,591.88
  6. Step 6: Final answer
    x = 18,983.81

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