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Finding the Fourth Proportional to 9,061.73, 12,500.92 and 6,410.60

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Solution

The fourth proportional to 9,061.73, 12,500.92 and 6,410.60 is: 8,843.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,061.73 : 12,500.92 = 6,410.60 : x
  2. Step 2: Convert to fraction form
    9,061.73/12,500.92 = 6,410.60/x
  3. Step 3: Cross multiply
    9,061.73x = 12,500.92 × 6,410.60
  4. Step 4: Simplify right side
    9,061.73x = 80,138,397.75
  5. Step 5: Solve for x
    x = 80,138,397.75/9,061.73
  6. Step 6: Final answer
    x = 8,843.61

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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.