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Finding the Fourth Proportional to 58,639.92, 87,918.12 and 27,458.16

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Solution

The fourth proportional to 58,639.92, 87,918.12 and 27,458.16 is: 41,167.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,639.92 : 87,918.12 = 27,458.16 : x
  2. Step 2: Convert to fraction form
    58,639.92/87,918.12 = 27,458.16/x
  3. Step 3: Cross multiply
    58,639.92x = 87,918.12 × 27,458.16
  4. Step 4: Simplify right side
    58,639.92x = 2,414,069,805.86
  5. Step 5: Solve for x
    x = 2,414,069,805.86/58,639.92
  6. Step 6: Final answer
    x = 41,167.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.