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Finding the Fourth Proportional to 54,472.68, 81,709.56 and 17,034.48

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Solution

The fourth proportional to 54,472.68, 81,709.56 and 17,034.48 is: 25,551.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,472.68 : 81,709.56 = 17,034.48 : x
  2. Step 2: Convert to fraction form
    54,472.68/81,709.56 = 17,034.48/x
  3. Step 3: Cross multiply
    54,472.68x = 81,709.56 × 17,034.48
  4. Step 4: Simplify right side
    54,472.68x = 1,391,879,865.63
  5. Step 5: Solve for x
    x = 1,391,879,865.63/54,472.68
  6. Step 6: Final answer
    x = 25,551.89

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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.