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Finding the Fourth Proportional to 17,580.92, 26,375.61 and 7,192.70

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Solution

The fourth proportional to 17,580.92, 26,375.61 and 7,192.70 is: 10,790.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,580.92 : 26,375.61 = 7,192.70 : x
  2. Step 2: Convert to fraction form
    17,580.92/26,375.61 = 7,192.70/x
  3. Step 3: Cross multiply
    17,580.92x = 26,375.61 × 7,192.70
  4. Step 4: Simplify right side
    17,580.92x = 189,711,850.05
  5. Step 5: Solve for x
    x = 189,711,850.05/17,580.92
  6. Step 6: Final answer
    x = 10,790.78

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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.