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Finding the Fourth Proportional to 3,581.66, 5,369.14 and 2,797.38

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Solution

The fourth proportional to 3,581.66, 5,369.14 and 2,797.38 is: 4,193.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.66 : 5,369.14 = 2,797.38 : x
  2. Step 2: Convert to fraction form
    3,581.66/5,369.14 = 2,797.38/x
  3. Step 3: Cross multiply
    3,581.66x = 5,369.14 × 2,797.38
  4. Step 4: Simplify right side
    3,581.66x = 15,019,524.85
  5. Step 5: Solve for x
    x = 15,019,524.85/3,581.66
  6. Step 6: Final answer
    x = 4,193.45

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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.