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Finding the Fourth Proportional to 41,855.68, 57,758.68 and 22,989.20

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Solution

The fourth proportional to 41,855.68, 57,758.68 and 22,989.20 is: 31,723.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,855.68 : 57,758.68 = 22,989.20 : x
  2. Step 2: Convert to fraction form
    41,855.68/57,758.68 = 22,989.20/x
  3. Step 3: Cross multiply
    41,855.68x = 57,758.68 × 22,989.20
  4. Step 4: Simplify right side
    41,855.68x = 1,327,825,846.26
  5. Step 5: Solve for x
    x = 1,327,825,846.26/41,855.68
  6. Step 6: Final answer
    x = 31,723.91

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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.