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Finding the Fourth Proportional to 54,393.94, 81,589.09 and 22,371.90

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Solution

The fourth proportional to 54,393.94, 81,589.09 and 22,371.90 is: 33,557.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,393.94 : 81,589.09 = 22,371.90 : x
  2. Step 2: Convert to fraction form
    54,393.94/81,589.09 = 22,371.90/x
  3. Step 3: Cross multiply
    54,393.94x = 81,589.09 × 22,371.90
  4. Step 4: Simplify right side
    54,393.94x = 1,825,302,948.59
  5. Step 5: Solve for x
    x = 1,825,302,948.59/54,393.94
  6. Step 6: Final answer
    x = 33,557.10

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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.