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Finding the Fourth Proportional to 67,376.57, 101,076.39 and 27,912.15

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Solution

The fourth proportional to 67,376.57, 101,076.39 and 27,912.15 is: 41,873.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,376.57 : 101,076.39 = 27,912.15 : x
  2. Step 2: Convert to fraction form
    67,376.57/101,076.39 = 27,912.15/x
  3. Step 3: Cross multiply
    67,376.57x = 101,076.39 × 27,912.15
  4. Step 4: Simplify right side
    67,376.57x = 2,821,259,359.14
  5. Step 5: Solve for x
    x = 2,821,259,359.14/67,376.57
  6. Step 6: Final answer
    x = 41,873.01

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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.