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Finding the Fourth Proportional to 54,488.25, 81,737.07 and 15,045.37

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Solution

The fourth proportional to 54,488.25, 81,737.07 and 15,045.37 is: 22,569.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,488.25 : 81,737.07 = 15,045.37 : x
  2. Step 2: Convert to fraction form
    54,488.25/81,737.07 = 15,045.37/x
  3. Step 3: Cross multiply
    54,488.25x = 81,737.07 × 15,045.37
  4. Step 4: Simplify right side
    54,488.25x = 1,229,764,460.87
  5. Step 5: Solve for x
    x = 1,229,764,460.87/54,488.25
  6. Step 6: Final answer
    x = 22,569.35

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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.