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Finding the Fourth Proportional to 54,500, 81,751.86 and 15,060.14

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Solution

The fourth proportional to 54,500, 81,751.86 and 15,060.14 is: 22,590.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,500 : 81,751.86 = 15,060.14 : x
  2. Step 2: Convert to fraction form
    54,500/81,751.86 = 15,060.14/x
  3. Step 3: Cross multiply
    54,500x = 81,751.86 × 15,060.14
  4. Step 4: Simplify right side
    54,500x = 1,231,194,456.86
  5. Step 5: Solve for x
    x = 1,231,194,456.86/54,500
  6. Step 6: Final answer
    x = 22,590.72

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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.