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Finding the Fourth Proportional to 8,301.60, 12,452.13 and 3,369.78

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Solution

The fourth proportional to 8,301.60, 12,452.13 and 3,369.78 is: 5,054.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,301.60 : 12,452.13 = 3,369.78 : x
  2. Step 2: Convert to fraction form
    8,301.60/12,452.13 = 3,369.78/x
  3. Step 3: Cross multiply
    8,301.60x = 12,452.13 × 3,369.78
  4. Step 4: Simplify right side
    8,301.60x = 41,960,938.63
  5. Step 5: Solve for x
    x = 41,960,938.63/8,301.60
  6. Step 6: Final answer
    x = 5,054.56

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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.