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Finding the Fourth Proportional to 54,574.41, 81,871.53 and 22,553.55

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Solution

The fourth proportional to 54,574.41, 81,871.53 and 22,553.55 is: 33,834.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,574.41 : 81,871.53 = 22,553.55 : x
  2. Step 2: Convert to fraction form
    54,574.41/81,871.53 = 22,553.55/x
  3. Step 3: Cross multiply
    54,574.41x = 81,871.53 × 22,553.55
  4. Step 4: Simplify right side
    54,574.41x = 1,846,493,645.43
  5. Step 5: Solve for x
    x = 1,846,493,645.43/54,574.41
  6. Step 6: Final answer
    x = 33,834.42

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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.