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Finding the Fourth Proportional to 7,951.05, 10,966.25 and 5,560.23

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Solution

The fourth proportional to 7,951.05, 10,966.25 and 5,560.23 is: 7,668.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,951.05 : 10,966.25 = 5,560.23 : x
  2. Step 2: Convert to fraction form
    7,951.05/10,966.25 = 5,560.23/x
  3. Step 3: Cross multiply
    7,951.05x = 10,966.25 × 5,560.23
  4. Step 4: Simplify right side
    7,951.05x = 60,974,872.24
  5. Step 5: Solve for x
    x = 60,974,872.24/7,951.05
  6. Step 6: Final answer
    x = 7,668.78

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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.