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Finding the Fourth Proportional to 5,581.74, 8,369.97 and 3,242.49

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Solution

The fourth proportional to 5,581.74, 8,369.97 and 3,242.49 is: 4,862.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581.74 : 8,369.97 = 3,242.49 : x
  2. Step 2: Convert to fraction form
    5,581.74/8,369.97 = 3,242.49/x
  3. Step 3: Cross multiply
    5,581.74x = 8,369.97 × 3,242.49
  4. Step 4: Simplify right side
    5,581.74x = 27,139,544.03
  5. Step 5: Solve for x
    x = 27,139,544.03/5,581.74
  6. Step 6: Final answer
    x = 4,862.20

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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.