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Finding the Fourth Proportional to 43,483.52, 65,223.17 and 25,481.78

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Solution

The fourth proportional to 43,483.52, 65,223.17 and 25,481.78 is: 38,221.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,483.52 : 65,223.17 = 25,481.78 : x
  2. Step 2: Convert to fraction form
    43,483.52/65,223.17 = 25,481.78/x
  3. Step 3: Cross multiply
    43,483.52x = 65,223.17 × 25,481.78
  4. Step 4: Simplify right side
    43,483.52x = 1,662,002,015.32
  5. Step 5: Solve for x
    x = 1,662,002,015.32/43,483.52
  6. Step 6: Final answer
    x = 38,221.43

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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.