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Finding the Fourth Proportional to 41,919.60, 62,857.80 and 15,610.80

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Solution

The fourth proportional to 41,919.60, 62,857.80 and 15,610.80 is: 23,408.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,919.60 : 62,857.80 = 15,610.80 : x
  2. Step 2: Convert to fraction form
    41,919.60/62,857.80 = 15,610.80/x
  3. Step 3: Cross multiply
    41,919.60x = 62,857.80 × 15,610.80
  4. Step 4: Simplify right side
    41,919.60x = 981,260,544.24
  5. Step 5: Solve for x
    x = 981,260,544.24/41,919.60
  6. Step 6: Final answer
    x = 23,408.16

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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.