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Finding the Fourth Proportional to 3,792.33, 5,231.97 and 2,799.99

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Solution

The fourth proportional to 3,792.33, 5,231.97 and 2,799.99 is: 3,862.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792.33 : 5,231.97 = 2,799.99 : x
  2. Step 2: Convert to fraction form
    3,792.33/5,231.97 = 2,799.99/x
  3. Step 3: Cross multiply
    3,792.33x = 5,231.97 × 2,799.99
  4. Step 4: Simplify right side
    3,792.33x = 14,649,463.68
  5. Step 5: Solve for x
    x = 14,649,463.68/3,792.33
  6. Step 6: Final answer
    x = 3,862.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.