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Finding the Fourth Proportional to 54,470.58, 81,710.58 and 15,027.69

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Solution

The fourth proportional to 54,470.58, 81,710.58 and 15,027.69 is: 22,542.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,470.58 : 81,710.58 = 15,027.69 : x
  2. Step 2: Convert to fraction form
    54,470.58/81,710.58 = 15,027.69/x
  3. Step 3: Cross multiply
    54,470.58x = 81,710.58 × 15,027.69
  4. Step 4: Simplify right side
    54,470.58x = 1,227,921,390.99
  5. Step 5: Solve for x
    x = 1,227,921,390.99/54,470.58
  6. Step 6: Final answer
    x = 22,542.84

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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.