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Finding the Fourth Proportional to 63,084.92, 87,134.70 and 47,240.12

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Solution

The fourth proportional to 63,084.92, 87,134.70 and 47,240.12 is: 65,249.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,084.92 : 87,134.70 = 47,240.12 : x
  2. Step 2: Convert to fraction form
    63,084.92/87,134.70 = 47,240.12/x
  3. Step 3: Cross multiply
    63,084.92x = 87,134.70 × 47,240.12
  4. Step 4: Simplify right side
    63,084.92x = 4,116,253,684.16
  5. Step 5: Solve for x
    x = 4,116,253,684.16/63,084.92
  6. Step 6: Final answer
    x = 65,249.41

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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.