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Finding the Fourth Proportional to 8,170.38, 12,250.62 and 3,666.62

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Solution

The fourth proportional to 8,170.38, 12,250.62 and 3,666.62 is: 5,497.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170.38 : 12,250.62 = 3,666.62 : x
  2. Step 2: Convert to fraction form
    8,170.38/12,250.62 = 3,666.62/x
  3. Step 3: Cross multiply
    8,170.38x = 12,250.62 × 3,666.62
  4. Step 4: Simplify right side
    8,170.38x = 44,918,307.05
  5. Step 5: Solve for x
    x = 44,918,307.05/8,170.38
  6. Step 6: Final answer
    x = 5,497.70

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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.