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Finding the Fourth Proportional to 6,452.78, 9,679.17 and 2,070.59

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Solution

The fourth proportional to 6,452.78, 9,679.17 and 2,070.59 is: 3,105.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,452.78 : 9,679.17 = 2,070.59 : x
  2. Step 2: Convert to fraction form
    6,452.78/9,679.17 = 2,070.59/x
  3. Step 3: Cross multiply
    6,452.78x = 9,679.17 × 2,070.59
  4. Step 4: Simplify right side
    6,452.78x = 20,041,544.21
  5. Step 5: Solve for x
    x = 20,041,544.21/6,452.78
  6. Step 6: Final answer
    x = 3,105.88

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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.