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Finding the Fourth Proportional to 54,672.78, 81,823.17 and 33,601.71

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Solution

The fourth proportional to 54,672.78, 81,823.17 and 33,601.71 is: 50,288.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,672.78 : 81,823.17 = 33,601.71 : x
  2. Step 2: Convert to fraction form
    54,672.78/81,823.17 = 33,601.71/x
  3. Step 3: Cross multiply
    54,672.78x = 81,823.17 × 33,601.71
  4. Step 4: Simplify right side
    54,672.78x = 2,749,398,429.62
  5. Step 5: Solve for x
    x = 2,749,398,429.62/54,672.78
  6. Step 6: Final answer
    x = 50,288.25

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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.