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Finding the Fourth Proportional to 54,126.40, 81,201.90 and 24,552.70

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Solution

The fourth proportional to 54,126.40, 81,201.90 and 24,552.70 is: 36,834.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,126.40 : 81,201.90 = 24,552.70 : x
  2. Step 2: Convert to fraction form
    54,126.40/81,201.90 = 24,552.70/x
  3. Step 3: Cross multiply
    54,126.40x = 81,201.90 × 24,552.70
  4. Step 4: Simplify right side
    54,126.40x = 1,993,725,890.13
  5. Step 5: Solve for x
    x = 1,993,725,890.13/54,126.40
  6. Step 6: Final answer
    x = 36,834.63

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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.