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Finding the Fourth Proportional to 60,562.10, 90,843.15 and 47,425.70

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Solution

The fourth proportional to 60,562.10, 90,843.15 and 47,425.70 is: 71,138.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,562.10 : 90,843.15 = 47,425.70 : x
  2. Step 2: Convert to fraction form
    60,562.10/90,843.15 = 47,425.70/x
  3. Step 3: Cross multiply
    60,562.10x = 90,843.15 × 47,425.70
  4. Step 4: Simplify right side
    60,562.10x = 4,308,299,978.96
  5. Step 5: Solve for x
    x = 4,308,299,978.96/60,562.10
  6. Step 6: Final answer
    x = 71,138.55

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1.5x scale

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.