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Finding the Fourth Proportional to 57,508.87, 86,280.95 and 29,448.64

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Solution

The fourth proportional to 57,508.87, 86,280.95 and 29,448.64 is: 44,182.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,508.87 : 86,280.95 = 29,448.64 : x
  2. Step 2: Convert to fraction form
    57,508.87/86,280.95 = 29,448.64/x
  3. Step 3: Cross multiply
    57,508.87x = 86,280.95 × 29,448.64
  4. Step 4: Simplify right side
    57,508.87x = 2,540,856,635.41
  5. Step 5: Solve for x
    x = 2,540,856,635.41/57,508.87
  6. Step 6: Final answer
    x = 44,182.00

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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.