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Finding the Fourth Proportional to 5,552.87, 7,662.22 and 3,566.12

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Solution

The fourth proportional to 5,552.87, 7,662.22 and 3,566.12 is: 4,920.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,552.87 : 7,662.22 = 3,566.12 : x
  2. Step 2: Convert to fraction form
    5,552.87/7,662.22 = 3,566.12/x
  3. Step 3: Cross multiply
    5,552.87x = 7,662.22 × 3,566.12
  4. Step 4: Simplify right side
    5,552.87x = 27,324,357.68
  5. Step 5: Solve for x
    x = 27,324,357.68/5,552.87
  6. Step 6: Final answer
    x = 4,920.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.