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Finding the Fourth Proportional to 5,757.11, 7,945.05 and 3,239.33

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Solution

The fourth proportional to 5,757.11, 7,945.05 and 3,239.33 is: 4,470.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,757.11 : 7,945.05 = 3,239.33 : x
  2. Step 2: Convert to fraction form
    5,757.11/7,945.05 = 3,239.33/x
  3. Step 3: Cross multiply
    5,757.11x = 7,945.05 × 3,239.33
  4. Step 4: Simplify right side
    5,757.11x = 25,736,611.24
  5. Step 5: Solve for x
    x = 25,736,611.24/5,757.11
  6. Step 6: Final answer
    x = 4,470.41

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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.