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Finding the Fourth Proportional to 54,294.57, 81,811.76 and 44,649.90

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Solution

The fourth proportional to 54,294.57, 81,811.76 and 44,649.90 is: 67,279.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,294.57 : 81,811.76 = 44,649.90 : x
  2. Step 2: Convert to fraction form
    54,294.57/81,811.76 = 44,649.90/x
  3. Step 3: Cross multiply
    54,294.57x = 81,811.76 × 44,649.90
  4. Step 4: Simplify right side
    54,294.57x = 3,652,886,679.57
  5. Step 5: Solve for x
    x = 3,652,886,679.57/54,294.57
  6. Step 6: Final answer
    x = 67,279.04

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.