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Finding the Fourth Proportional to 16,231.39, 24,347.10 and 3,919.39

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Solution

The fourth proportional to 16,231.39, 24,347.10 and 3,919.39 is: 5,879.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,231.39 : 24,347.10 = 3,919.39 : x
  2. Step 2: Convert to fraction form
    16,231.39/24,347.10 = 3,919.39/x
  3. Step 3: Cross multiply
    16,231.39x = 24,347.10 × 3,919.39
  4. Step 4: Simplify right side
    16,231.39x = 95,425,780.27
  5. Step 5: Solve for x
    x = 95,425,780.27/16,231.39
  6. Step 6: Final answer
    x = 5,879.09

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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.