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Finding the Fourth Proportional to 71,697.92, 107,546.86 and 29,601.80

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Solution

The fourth proportional to 71,697.92, 107,546.86 and 29,601.80 is: 44,402.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,697.92 : 107,546.86 = 29,601.80 : x
  2. Step 2: Convert to fraction form
    71,697.92/107,546.86 = 29,601.80/x
  3. Step 3: Cross multiply
    71,697.92x = 107,546.86 × 29,601.80
  4. Step 4: Simplify right side
    71,697.92x = 3,183,580,640.35
  5. Step 5: Solve for x
    x = 3,183,580,640.35/71,697.92
  6. Step 6: Final answer
    x = 44,402.69

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1.5x scale

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.