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Finding the Fourth Proportional to 3,591.47, 5,379.01 and 3,230.62

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Solution

The fourth proportional to 3,591.47, 5,379.01 and 3,230.62 is: 4,838.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591.47 : 5,379.01 = 3,230.62 : x
  2. Step 2: Convert to fraction form
    3,591.47/5,379.01 = 3,230.62/x
  3. Step 3: Cross multiply
    3,591.47x = 5,379.01 × 3,230.62
  4. Step 4: Simplify right side
    3,591.47x = 17,377,515.76
  5. Step 5: Solve for x
    x = 17,377,515.76/3,591.47
  6. Step 6: Final answer
    x = 4,838.55

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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.