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Finding the Fourth Proportional to 3,581.55, 5,372.58 and 1,499.46

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Solution

The fourth proportional to 3,581.55, 5,372.58 and 1,499.46 is: 2,249.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.55 : 5,372.58 = 1,499.46 : x
  2. Step 2: Convert to fraction form
    3,581.55/5,372.58 = 1,499.46/x
  3. Step 3: Cross multiply
    3,581.55x = 5,372.58 × 1,499.46
  4. Step 4: Simplify right side
    3,581.55x = 8,055,938.20
  5. Step 5: Solve for x
    x = 8,055,938.20/3,581.55
  6. Step 6: Final answer
    x = 2,249.29

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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.