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Finding the Fourth Proportional to 7,882.59, 10,874.46 and 4,524.60

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Solution

The fourth proportional to 7,882.59, 10,874.46 and 4,524.60 is: 6,241.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,882.59 : 10,874.46 = 4,524.60 : x
  2. Step 2: Convert to fraction form
    7,882.59/10,874.46 = 4,524.60/x
  3. Step 3: Cross multiply
    7,882.59x = 10,874.46 × 4,524.60
  4. Step 4: Simplify right side
    7,882.59x = 49,202,581.72
  5. Step 5: Solve for x
    x = 49,202,581.72/7,882.59
  6. Step 6: Final answer
    x = 6,241.93

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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.