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Finding the Fourth Proportional to 5,508.68, 8,266.48 and 3,432.74

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Solution

The fourth proportional to 5,508.68, 8,266.48 and 3,432.74 is: 5,151.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,508.68 : 8,266.48 = 3,432.74 : x
  2. Step 2: Convert to fraction form
    5,508.68/8,266.48 = 3,432.74/x
  3. Step 3: Cross multiply
    5,508.68x = 8,266.48 × 3,432.74
  4. Step 4: Simplify right side
    5,508.68x = 28,376,626.64
  5. Step 5: Solve for x
    x = 28,376,626.64/5,508.68
  6. Step 6: Final answer
    x = 5,151.26

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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.