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Finding the Fourth Proportional to 8,452.54, 12,680.18 and 3,522.68

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Solution

The fourth proportional to 8,452.54, 12,680.18 and 3,522.68 is: 5,284.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,452.54 : 12,680.18 = 3,522.68 : x
  2. Step 2: Convert to fraction form
    8,452.54/12,680.18 = 3,522.68/x
  3. Step 3: Cross multiply
    8,452.54x = 12,680.18 × 3,522.68
  4. Step 4: Simplify right side
    8,452.54x = 44,668,135.47
  5. Step 5: Solve for x
    x = 44,668,135.47/8,452.54
  6. Step 6: Final answer
    x = 5,284.58

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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.