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Finding the Fourth Proportional to 8,324.52, 12,483.69 and 3,391.49

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Solution

The fourth proportional to 8,324.52, 12,483.69 and 3,391.49 is: 5,085.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,324.52 : 12,483.69 = 3,391.49 : x
  2. Step 2: Convert to fraction form
    8,324.52/12,483.69 = 3,391.49/x
  3. Step 3: Cross multiply
    8,324.52x = 12,483.69 × 3,391.49
  4. Step 4: Simplify right side
    8,324.52x = 42,338,247.38
  5. Step 5: Solve for x
    x = 42,338,247.38/8,324.52
  6. Step 6: Final answer
    x = 5,085.97

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.