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Finding the Fourth Proportional to 40,129.26, 60,201.99 and 27,655.26

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Solution

The fourth proportional to 40,129.26, 60,201.99 and 27,655.26 is: 41,488.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,129.26 : 60,201.99 = 27,655.26 : x
  2. Step 2: Convert to fraction form
    40,129.26/60,201.99 = 27,655.26/x
  3. Step 3: Cross multiply
    40,129.26x = 60,201.99 × 27,655.26
  4. Step 4: Simplify right side
    40,129.26x = 1,664,901,685.97
  5. Step 5: Solve for x
    x = 1,664,901,685.97/40,129.26
  6. Step 6: Final answer
    x = 41,488.47

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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.