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Finding the Fourth Proportional to 63,641.76, 95,493.62 and 25,689.48

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Solution

The fourth proportional to 63,641.76, 95,493.62 and 25,689.48 is: 38,546.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,641.76 : 95,493.62 = 25,689.48 : x
  2. Step 2: Convert to fraction form
    63,641.76/95,493.62 = 25,689.48/x
  3. Step 3: Cross multiply
    63,641.76x = 95,493.62 × 25,689.48
  4. Step 4: Simplify right side
    63,641.76x = 2,453,181,441.12
  5. Step 5: Solve for x
    x = 2,453,181,441.12/63,641.76
  6. Step 6: Final answer
    x = 38,546.73

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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.