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Finding the Fourth Proportional to 40,393.27, 55,736.04 and 22,487.86

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Solution

The fourth proportional to 40,393.27, 55,736.04 and 22,487.86 is: 31,029.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,393.27 : 55,736.04 = 22,487.86 : x
  2. Step 2: Convert to fraction form
    40,393.27/55,736.04 = 22,487.86/x
  3. Step 3: Cross multiply
    40,393.27x = 55,736.04 × 22,487.86
  4. Step 4: Simplify right side
    40,393.27x = 1,253,384,264.47
  5. Step 5: Solve for x
    x = 1,253,384,264.47/40,393.27
  6. Step 6: Final answer
    x = 31,029.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.