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Finding the Fourth Proportional to 54,568.88, 81,866.68 and 19,025.27

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Solution

The fourth proportional to 54,568.88, 81,866.68 and 19,025.27 is: 28,542.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,568.88 : 81,866.68 = 19,025.27 : x
  2. Step 2: Convert to fraction form
    54,568.88/81,866.68 = 19,025.27/x
  3. Step 3: Cross multiply
    54,568.88x = 81,866.68 × 19,025.27
  4. Step 4: Simplify right side
    54,568.88x = 1,557,535,691.00
  5. Step 5: Solve for x
    x = 1,557,535,691.00/54,568.88
  6. Step 6: Final answer
    x = 28,542.56

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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.