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Finding the Fourth Proportional to 44,366.55, 66,347.68 and 33,129.78

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Solution

The fourth proportional to 44,366.55, 66,347.68 and 33,129.78 is: 49,543.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,366.55 : 66,347.68 = 33,129.78 : x
  2. Step 2: Convert to fraction form
    44,366.55/66,347.68 = 33,129.78/x
  3. Step 3: Cross multiply
    44,366.55x = 66,347.68 × 33,129.78
  4. Step 4: Simplify right side
    44,366.55x = 2,198,083,772.40
  5. Step 5: Solve for x
    x = 2,198,083,772.40/44,366.55
  6. Step 6: Final answer
    x = 49,543.72

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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.