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Finding the Fourth Proportional to 43,978.82, 65,812.50 and 27,346.68

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Solution

The fourth proportional to 43,978.82, 65,812.50 and 27,346.68 is: 40,923.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,978.82 : 65,812.50 = 27,346.68 : x
  2. Step 2: Convert to fraction form
    43,978.82/65,812.50 = 27,346.68/x
  3. Step 3: Cross multiply
    43,978.82x = 65,812.50 × 27,346.68
  4. Step 4: Simplify right side
    43,978.82x = 1,799,753,377.50
  5. Step 5: Solve for x
    x = 1,799,753,377.50/43,978.82
  6. Step 6: Final answer
    x = 40,923.19

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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.