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Finding the Fourth Proportional to 4,388.97, 6,584.99 and 2,197.20

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Solution

The fourth proportional to 4,388.97, 6,584.99 and 2,197.20 is: 3,296.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,388.97 : 6,584.99 = 2,197.20 : x
  2. Step 2: Convert to fraction form
    4,388.97/6,584.99 = 2,197.20/x
  3. Step 3: Cross multiply
    4,388.97x = 6,584.99 × 2,197.20
  4. Step 4: Simplify right side
    4,388.97x = 14,468,529.04
  5. Step 5: Solve for x
    x = 14,468,529.04/4,388.97
  6. Step 6: Final answer
    x = 3,296.57

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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.