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Finding the Fourth Proportional to 63,205.92, 94,788.72 and 25,765.92

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Solution

The fourth proportional to 63,205.92, 94,788.72 and 25,765.92 is: 38,640.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,205.92 : 94,788.72 = 25,765.92 : x
  2. Step 2: Convert to fraction form
    63,205.92/94,788.72 = 25,765.92/x
  3. Step 3: Cross multiply
    63,205.92x = 94,788.72 × 25,765.92
  4. Step 4: Simplify right side
    63,205.92x = 2,442,318,576.42
  5. Step 5: Solve for x
    x = 2,442,318,576.42/63,205.92
  6. Step 6: Final answer
    x = 38,640.66

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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.