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Finding the Fourth Proportional to 8,441.35, 12,655.17 and 3,514.66

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Solution

The fourth proportional to 8,441.35, 12,655.17 and 3,514.66 is: 5,269.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,441.35 : 12,655.17 = 3,514.66 : x
  2. Step 2: Convert to fraction form
    8,441.35/12,655.17 = 3,514.66/x
  3. Step 3: Cross multiply
    8,441.35x = 12,655.17 × 3,514.66
  4. Step 4: Simplify right side
    8,441.35x = 44,478,588.15
  5. Step 5: Solve for x
    x = 44,478,588.15/8,441.35
  6. Step 6: Final answer
    x = 5,269.13

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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.