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Finding the Fourth Proportional to 5,819.61, 8,744 and 5,469.69

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Solution

The fourth proportional to 5,819.61, 8,744 and 5,469.69 is: 8,218.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,819.61 : 8,744 = 5,469.69 : x
  2. Step 2: Convert to fraction form
    5,819.61/8,744 = 5,469.69/x
  3. Step 3: Cross multiply
    5,819.61x = 8,744 × 5,469.69
  4. Step 4: Simplify right side
    5,819.61x = 47,826,969.36
  5. Step 5: Solve for x
    x = 47,826,969.36/5,819.61
  6. Step 6: Final answer
    x = 8,218.24

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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.