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Finding the Fourth Proportional to 63,512.92, 95,128.62 and 43,474.60

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Solution

The fourth proportional to 63,512.92, 95,128.62 and 43,474.60 is: 65,115.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,512.92 : 95,128.62 = 43,474.60 : x
  2. Step 2: Convert to fraction form
    63,512.92/95,128.62 = 43,474.60/x
  3. Step 3: Cross multiply
    63,512.92x = 95,128.62 × 43,474.60
  4. Step 4: Simplify right side
    63,512.92x = 4,135,678,703.05
  5. Step 5: Solve for x
    x = 4,135,678,703.05/63,512.92
  6. Step 6: Final answer
    x = 65,115.55

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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.