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Finding the Fourth Proportional to 71,073.92, 106,597.98 and 18,480.14

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Solution

The fourth proportional to 71,073.92, 106,597.98 and 18,480.14 is: 27,716.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,073.92 : 106,597.98 = 18,480.14 : x
  2. Step 2: Convert to fraction form
    71,073.92/106,597.98 = 18,480.14/x
  3. Step 3: Cross multiply
    71,073.92x = 106,597.98 × 18,480.14
  4. Step 4: Simplify right side
    71,073.92x = 1,969,945,594.12
  5. Step 5: Solve for x
    x = 1,969,945,594.12/71,073.92
  6. Step 6: Final answer
    x = 27,716.86

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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.