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Finding the Fourth Proportional to 5,869.69, 8,799.10 and 2,169.11

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Solution

The fourth proportional to 5,869.69, 8,799.10 and 2,169.11 is: 3,251.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,869.69 : 8,799.10 = 2,169.11 : x
  2. Step 2: Convert to fraction form
    5,869.69/8,799.10 = 2,169.11/x
  3. Step 3: Cross multiply
    5,869.69x = 8,799.10 × 2,169.11
  4. Step 4: Simplify right side
    5,869.69x = 19,086,215.80
  5. Step 5: Solve for x
    x = 19,086,215.80/5,869.69
  6. Step 6: Final answer
    x = 3,251.66

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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.