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Finding the Fourth Proportional to 7,882.59, 11,824.13 and 2,951.29

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Solution

The fourth proportional to 7,882.59, 11,824.13 and 2,951.29 is: 4,427.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,882.59 : 11,824.13 = 2,951.29 : x
  2. Step 2: Convert to fraction form
    7,882.59/11,824.13 = 2,951.29/x
  3. Step 3: Cross multiply
    7,882.59x = 11,824.13 × 2,951.29
  4. Step 4: Simplify right side
    7,882.59x = 34,896,414.45
  5. Step 5: Solve for x
    x = 34,896,414.45/7,882.59
  6. Step 6: Final answer
    x = 4,427.02

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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.