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Finding the Fourth Proportional to 58,319.92, 87,494.12 and 16,766.64

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Solution

The fourth proportional to 58,319.92, 87,494.12 and 16,766.64 is: 25,154.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,319.92 : 87,494.12 = 16,766.64 : x
  2. Step 2: Convert to fraction form
    58,319.92/87,494.12 = 16,766.64/x
  3. Step 3: Cross multiply
    58,319.92x = 87,494.12 × 16,766.64
  4. Step 4: Simplify right side
    58,319.92x = 1,466,982,412.16
  5. Step 5: Solve for x
    x = 1,466,982,412.16/58,319.92
  6. Step 6: Final answer
    x = 25,154.05

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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.