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Finding the Fourth Proportional to 5,581.36, 8,352.66 and 3,472.12

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Solution

The fourth proportional to 5,581.36, 8,352.66 and 3,472.12 is: 5,196.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581.36 : 8,352.66 = 3,472.12 : x
  2. Step 2: Convert to fraction form
    5,581.36/8,352.66 = 3,472.12/x
  3. Step 3: Cross multiply
    5,581.36x = 8,352.66 × 3,472.12
  4. Step 4: Simplify right side
    5,581.36x = 29,001,437.84
  5. Step 5: Solve for x
    x = 29,001,437.84/5,581.36
  6. Step 6: Final answer
    x = 5,196.12

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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.