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Finding the Fourth Proportional to 64,952.38, 97,438.79 and 27,512.56

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Solution

The fourth proportional to 64,952.38, 97,438.79 and 27,512.56 is: 41,273.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,952.38 : 97,438.79 = 27,512.56 : x
  2. Step 2: Convert to fraction form
    64,952.38/97,438.79 = 27,512.56/x
  3. Step 3: Cross multiply
    64,952.38x = 97,438.79 × 27,512.56
  4. Step 4: Simplify right side
    64,952.38x = 2,680,790,556.20
  5. Step 5: Solve for x
    x = 2,680,790,556.20/64,952.38
  6. Step 6: Final answer
    x = 41,273.17

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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.