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Finding the Fourth Proportional to 8,452.44, 12,678.66 and 2,608.92

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Solution

The fourth proportional to 8,452.44, 12,678.66 and 2,608.92 is: 3,913.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,452.44 : 12,678.66 = 2,608.92 : x
  2. Step 2: Convert to fraction form
    8,452.44/12,678.66 = 2,608.92/x
  3. Step 3: Cross multiply
    8,452.44x = 12,678.66 × 2,608.92
  4. Step 4: Simplify right side
    8,452.44x = 33,077,609.65
  5. Step 5: Solve for x
    x = 33,077,609.65/8,452.44
  6. Step 6: Final answer
    x = 3,913.38

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Similar ratio
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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.