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Finding the Fourth Proportional to 43,967.80, 65,951.70 and 17,672.56

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Solution

The fourth proportional to 43,967.80, 65,951.70 and 17,672.56 is: 26,508.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,967.80 : 65,951.70 = 17,672.56 : x
  2. Step 2: Convert to fraction form
    43,967.80/65,951.70 = 17,672.56/x
  3. Step 3: Cross multiply
    43,967.80x = 65,951.70 × 17,672.56
  4. Step 4: Simplify right side
    43,967.80x = 1,165,535,375.35
  5. Step 5: Solve for x
    x = 1,165,535,375.35/43,967.80
  6. Step 6: Final answer
    x = 26,508.84

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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.