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Finding the Fourth Proportional to 57,995.75, 87,004.56 and 26,831

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Solution

The fourth proportional to 57,995.75, 87,004.56 and 26,831 is: 40,251.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,995.75 : 87,004.56 = 26,831 : x
  2. Step 2: Convert to fraction form
    57,995.75/87,004.56 = 26,831/x
  3. Step 3: Cross multiply
    57,995.75x = 87,004.56 × 26,831
  4. Step 4: Simplify right side
    57,995.75x = 2,334,419,349.36
  5. Step 5: Solve for x
    x = 2,334,419,349.36/57,995.75
  6. Step 6: Final answer
    x = 40,251.56

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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.