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Finding the Fourth Proportional to 59,635.60, 82,285.50 and 38,411.80

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Solution

The fourth proportional to 59,635.60, 82,285.50 and 38,411.80 is: 53,000.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,635.60 : 82,285.50 = 38,411.80 : x
  2. Step 2: Convert to fraction form
    59,635.60/82,285.50 = 38,411.80/x
  3. Step 3: Cross multiply
    59,635.60x = 82,285.50 × 38,411.80
  4. Step 4: Simplify right side
    59,635.60x = 3,160,734,168.90
  5. Step 5: Solve for x
    x = 3,160,734,168.90/59,635.60
  6. Step 6: Final answer
    x = 53,000.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.