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Finding the Fourth Proportional to 54,474.88, 81,671.82 and 22,894.21

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Solution

The fourth proportional to 54,474.88, 81,671.82 and 22,894.21 is: 34,324.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,474.88 : 81,671.82 = 22,894.21 : x
  2. Step 2: Convert to fraction form
    54,474.88/81,671.82 = 22,894.21/x
  3. Step 3: Cross multiply
    54,474.88x = 81,671.82 × 22,894.21
  4. Step 4: Simplify right side
    54,474.88x = 1,869,811,798.16
  5. Step 5: Solve for x
    x = 1,869,811,798.16/54,474.88
  6. Step 6: Final answer
    x = 34,324.29

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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.