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Finding the Fourth Proportional to 3,581.04, 5,379.84 and 3,433.44

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Solution

The fourth proportional to 3,581.04, 5,379.84 and 3,433.44 is: 5,158.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.04 : 5,379.84 = 3,433.44 : x
  2. Step 2: Convert to fraction form
    3,581.04/5,379.84 = 3,433.44/x
  3. Step 3: Cross multiply
    3,581.04x = 5,379.84 × 3,433.44
  4. Step 4: Simplify right side
    3,581.04x = 18,471,357.85
  5. Step 5: Solve for x
    x = 18,471,357.85/3,581.04
  6. Step 6: Final answer
    x = 5,158.10

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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.