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Finding the Fourth Proportional to 60,493.92, 90,730.68 and 18,363.92

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Solution

The fourth proportional to 60,493.92, 90,730.68 and 18,363.92 is: 27,542.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,493.92 : 90,730.68 = 18,363.92 : x
  2. Step 2: Convert to fraction form
    60,493.92/90,730.68 = 18,363.92/x
  3. Step 3: Cross multiply
    60,493.92x = 90,730.68 × 18,363.92
  4. Step 4: Simplify right side
    60,493.92x = 1,666,170,949.07
  5. Step 5: Solve for x
    x = 1,666,170,949.07/60,493.92
  6. Step 6: Final answer
    x = 27,542.78

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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.