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Finding the Fourth Proportional to 71,552.40, 98,691.02 and 44,319.68

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Solution

The fourth proportional to 71,552.40, 98,691.02 and 44,319.68 is: 61,129.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,552.40 : 98,691.02 = 44,319.68 : x
  2. Step 2: Convert to fraction form
    71,552.40/98,691.02 = 44,319.68/x
  3. Step 3: Cross multiply
    71,552.40x = 98,691.02 × 44,319.68
  4. Step 4: Simplify right side
    71,552.40x = 4,373,954,425.27
  5. Step 5: Solve for x
    x = 4,373,954,425.27/71,552.40
  6. Step 6: Final answer
    x = 61,129.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.