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Finding the Fourth Proportional to 48,452.68, 72,663.66 and 15,613

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Solution

The fourth proportional to 48,452.68, 72,663.66 and 15,613 is: 23,414.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,452.68 : 72,663.66 = 15,613 : x
  2. Step 2: Convert to fraction form
    48,452.68/72,663.66 = 15,613/x
  3. Step 3: Cross multiply
    48,452.68x = 72,663.66 × 15,613
  4. Step 4: Simplify right side
    48,452.68x = 1,134,497,723.58
  5. Step 5: Solve for x
    x = 1,134,497,723.58/48,452.68
  6. Step 6: Final answer
    x = 23,414.55

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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.