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Finding the Fourth Proportional to 43,641.99, 65,372.15 and 27,768.39

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Solution

The fourth proportional to 43,641.99, 65,372.15 and 27,768.39 is: 41,594.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,641.99 : 65,372.15 = 27,768.39 : x
  2. Step 2: Convert to fraction form
    43,641.99/65,372.15 = 27,768.39/x
  3. Step 3: Cross multiply
    43,641.99x = 65,372.15 × 27,768.39
  4. Step 4: Simplify right side
    43,641.99x = 1,815,279,180.61
  5. Step 5: Solve for x
    x = 1,815,279,180.61/43,641.99
  6. Step 6: Final answer
    x = 41,594.78

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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.