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Finding the Fourth Proportional to 16,231.89, 24,347.85 and 3,919.89

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Solution

The fourth proportional to 16,231.89, 24,347.85 and 3,919.89 is: 5,879.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,231.89 : 24,347.85 = 3,919.89 : x
  2. Step 2: Convert to fraction form
    16,231.89/24,347.85 = 3,919.89/x
  3. Step 3: Cross multiply
    16,231.89x = 24,347.85 × 3,919.89
  4. Step 4: Simplify right side
    16,231.89x = 95,440,893.74
  5. Step 5: Solve for x
    x = 95,440,893.74/16,231.89
  6. Step 6: Final answer
    x = 5,879.84

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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.