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Finding the Fourth Proportional to 7,549.39, 11,229.03 and 7,524.10

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Solution

The fourth proportional to 7,549.39, 11,229.03 and 7,524.10 is: 11,191.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,549.39 : 11,229.03 = 7,524.10 : x
  2. Step 2: Convert to fraction form
    7,549.39/11,229.03 = 7,524.10/x
  3. Step 3: Cross multiply
    7,549.39x = 11,229.03 × 7,524.10
  4. Step 4: Simplify right side
    7,549.39x = 84,488,358.66
  5. Step 5: Solve for x
    x = 84,488,358.66/7,549.39
  6. Step 6: Final answer
    x = 11,191.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.