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Finding the Fourth Proportional to 54,251.96, 81,390.92 and 22,644.44

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Solution

The fourth proportional to 54,251.96, 81,390.92 and 22,644.44 is: 33,972.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,251.96 : 81,390.92 = 22,644.44 : x
  2. Step 2: Convert to fraction form
    54,251.96/81,390.92 = 22,644.44/x
  3. Step 3: Cross multiply
    54,251.96x = 81,390.92 × 22,644.44
  4. Step 4: Simplify right side
    54,251.96x = 1,843,051,804.48
  5. Step 5: Solve for x
    x = 1,843,051,804.48/54,251.96
  6. Step 6: Final answer
    x = 33,972.08

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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.