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Finding the Fourth Proportional to 54,737.83, 82,118.66 and 16,787.12

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Solution

The fourth proportional to 54,737.83, 82,118.66 and 16,787.12 is: 25,184.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,737.83 : 82,118.66 = 16,787.12 : x
  2. Step 2: Convert to fraction form
    54,737.83/82,118.66 = 16,787.12/x
  3. Step 3: Cross multiply
    54,737.83x = 82,118.66 × 16,787.12
  4. Step 4: Simplify right side
    54,737.83x = 1,378,536,092.43
  5. Step 5: Solve for x
    x = 1,378,536,092.43/54,737.83
  6. Step 6: Final answer
    x = 25,184.34

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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.