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Finding the Fourth Proportional to 8,375.76, 12,565.38 and 2,452.68

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Solution

The fourth proportional to 8,375.76, 12,565.38 and 2,452.68 is: 3,679.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375.76 : 12,565.38 = 2,452.68 : x
  2. Step 2: Convert to fraction form
    8,375.76/12,565.38 = 2,452.68/x
  3. Step 3: Cross multiply
    8,375.76x = 12,565.38 × 2,452.68
  4. Step 4: Simplify right side
    8,375.76x = 30,818,856.22
  5. Step 5: Solve for x
    x = 30,818,856.22/8,375.76
  6. Step 6: Final answer
    x = 3,679.53

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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.