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Finding the Fourth Proportional to 55,252.80, 82,920.91 and 44,291.85

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Solution

The fourth proportional to 55,252.80, 82,920.91 and 44,291.85 is: 66,471.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,252.80 : 82,920.91 = 44,291.85 : x
  2. Step 2: Convert to fraction form
    55,252.80/82,920.91 = 44,291.85/x
  3. Step 3: Cross multiply
    55,252.80x = 82,920.91 × 44,291.85
  4. Step 4: Simplify right side
    55,252.80x = 3,672,720,092.98
  5. Step 5: Solve for x
    x = 3,672,720,092.98/55,252.80
  6. Step 6: Final answer
    x = 66,471.20

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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.