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Finding the Fourth Proportional to 41,080.92, 56,691.63 and 22,218

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Solution

The fourth proportional to 41,080.92, 56,691.63 and 22,218 is: 30,660.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,080.92 : 56,691.63 = 22,218 : x
  2. Step 2: Convert to fraction form
    41,080.92/56,691.63 = 22,218/x
  3. Step 3: Cross multiply
    41,080.92x = 56,691.63 × 22,218
  4. Step 4: Simplify right side
    41,080.92x = 1,259,574,635.34
  5. Step 5: Solve for x
    x = 1,259,574,635.34/41,080.92
  6. Step 6: Final answer
    x = 30,660.82

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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.