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Finding the Fourth Proportional to 48,375.43, 72,591.17 and 20,293

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Solution

The fourth proportional to 48,375.43, 72,591.17 and 20,293 is: 30,451.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,375.43 : 72,591.17 = 20,293 : x
  2. Step 2: Convert to fraction form
    48,375.43/72,591.17 = 20,293/x
  3. Step 3: Cross multiply
    48,375.43x = 72,591.17 × 20,293
  4. Step 4: Simplify right side
    48,375.43x = 1,473,092,612.81
  5. Step 5: Solve for x
    x = 1,473,092,612.81/48,375.43
  6. Step 6: Final answer
    x = 30,451.26

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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.