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Finding the Fourth Proportional to 54,470.70, 81,710.76 and 15,027.82

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Solution

The fourth proportional to 54,470.70, 81,710.76 and 15,027.82 is: 22,543.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,470.70 : 81,710.76 = 15,027.82 : x
  2. Step 2: Convert to fraction form
    54,470.70/81,710.76 = 15,027.82/x
  3. Step 3: Cross multiply
    54,470.70x = 81,710.76 × 15,027.82
  4. Step 4: Simplify right side
    54,470.70x = 1,227,934,309.38
  5. Step 5: Solve for x
    x = 1,227,934,309.38/54,470.70
  6. Step 6: Final answer
    x = 22,543.02

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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.