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Finding the Fourth Proportional to 58,562.52, 87,639.64 and 47,909.40

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Solution

The fourth proportional to 58,562.52, 87,639.64 and 47,909.40 is: 71,697.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,562.52 : 87,639.64 = 47,909.40 : x
  2. Step 2: Convert to fraction form
    58,562.52/87,639.64 = 47,909.40/x
  3. Step 3: Cross multiply
    58,562.52x = 87,639.64 × 47,909.40
  4. Step 4: Simplify right side
    58,562.52x = 4,198,762,568.62
  5. Step 5: Solve for x
    x = 4,198,762,568.62/58,562.52
  6. Step 6: Final answer
    x = 71,697.10

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