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Finding the Fourth Proportional to 63,486.87, 95,248.94 and 28,418.73

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Solution

The fourth proportional to 63,486.87, 95,248.94 and 28,418.73 is: 42,636.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,486.87 : 95,248.94 = 28,418.73 : x
  2. Step 2: Convert to fraction form
    63,486.87/95,248.94 = 28,418.73/x
  3. Step 3: Cross multiply
    63,486.87x = 95,248.94 × 28,418.73
  4. Step 4: Simplify right side
    63,486.87x = 2,706,853,766.55
  5. Step 5: Solve for x
    x = 2,706,853,766.55/63,486.87
  6. Step 6: Final answer
    x = 42,636.43

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1.5x scale

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.