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Finding the Fourth Proportional to 7,249.50, 10,879.11 and 3,551.04

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Solution

The fourth proportional to 7,249.50, 10,879.11 and 3,551.04 is: 5,328.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249.50 : 10,879.11 = 3,551.04 : x
  2. Step 2: Convert to fraction form
    7,249.50/10,879.11 = 3,551.04/x
  3. Step 3: Cross multiply
    7,249.50x = 10,879.11 × 3,551.04
  4. Step 4: Simplify right side
    7,249.50x = 38,632,154.77
  5. Step 5: Solve for x
    x = 38,632,154.77/7,249.50
  6. Step 6: Final answer
    x = 5,328.94

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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.