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Finding the Fourth Proportional to 3,799.44, 5,695.92 and 1,489.68

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Solution

The fourth proportional to 3,799.44, 5,695.92 and 1,489.68 is: 2,233.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,799.44 : 5,695.92 = 1,489.68 : x
  2. Step 2: Convert to fraction form
    3,799.44/5,695.92 = 1,489.68/x
  3. Step 3: Cross multiply
    3,799.44x = 5,695.92 × 1,489.68
  4. Step 4: Simplify right side
    3,799.44x = 8,485,098.11
  5. Step 5: Solve for x
    x = 8,485,098.11/3,799.44
  6. Step 6: Final answer
    x = 2,233.25

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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.