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Finding the Fourth Proportional to 48,481.87, 72,722.80 and 15,204.52

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Solution

The fourth proportional to 48,481.87, 72,722.80 and 15,204.52 is: 22,806.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,481.87 : 72,722.80 = 15,204.52 : x
  2. Step 2: Convert to fraction form
    48,481.87/72,722.80 = 15,204.52/x
  3. Step 3: Cross multiply
    48,481.87x = 72,722.80 × 15,204.52
  4. Step 4: Simplify right side
    48,481.87x = 1,105,715,457.85
  5. Step 5: Solve for x
    x = 1,105,715,457.85/48,481.87
  6. Step 6: Final answer
    x = 22,806.78

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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.