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Finding the Fourth Proportional to 3,566.82, 5,351.22 and 1,487.80

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Solution

The fourth proportional to 3,566.82, 5,351.22 and 1,487.80 is: 2,232.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,566.82 : 5,351.22 = 1,487.80 : x
  2. Step 2: Convert to fraction form
    3,566.82/5,351.22 = 1,487.80/x
  3. Step 3: Cross multiply
    3,566.82x = 5,351.22 × 1,487.80
  4. Step 4: Simplify right side
    3,566.82x = 7,961,545.12
  5. Step 5: Solve for x
    x = 7,961,545.12/3,566.82
  6. Step 6: Final answer
    x = 2,232.11

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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.