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Finding the Fourth Proportional to 40,796.56, 61,187.56 and 25,961.44

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Solution

The fourth proportional to 40,796.56, 61,187.56 and 25,961.44 is: 38,937.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,796.56 : 61,187.56 = 25,961.44 : x
  2. Step 2: Convert to fraction form
    40,796.56/61,187.56 = 25,961.44/x
  3. Step 3: Cross multiply
    40,796.56x = 61,187.56 × 25,961.44
  4. Step 4: Simplify right side
    40,796.56x = 1,588,517,167.69
  5. Step 5: Solve for x
    x = 1,588,517,167.69/40,796.56
  6. Step 6: Final answer
    x = 38,937.53

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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.