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Finding the Fourth Proportional to 63,643.76, 95,496.62 and 25,691.48

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Solution

The fourth proportional to 63,643.76, 95,496.62 and 25,691.48 is: 38,549.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,643.76 : 95,496.62 = 25,691.48 : x
  2. Step 2: Convert to fraction form
    63,643.76/95,496.62 = 25,691.48/x
  3. Step 3: Cross multiply
    63,643.76x = 95,496.62 × 25,691.48
  4. Step 4: Simplify right side
    63,643.76x = 2,453,449,502.80
  5. Step 5: Solve for x
    x = 2,453,449,502.80/63,643.76
  6. Step 6: Final answer
    x = 38,549.73

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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.