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Finding the Fourth Proportional to 41,878.82, 62,793.63 and 16,919.66

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Solution

The fourth proportional to 41,878.82, 62,793.63 and 16,919.66 is: 25,369.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,878.82 : 62,793.63 = 16,919.66 : x
  2. Step 2: Convert to fraction form
    41,878.82/62,793.63 = 16,919.66/x
  3. Step 3: Cross multiply
    41,878.82x = 62,793.63 × 16,919.66
  4. Step 4: Simplify right side
    41,878.82x = 1,062,446,869.77
  5. Step 5: Solve for x
    x = 1,062,446,869.77/41,878.82
  6. Step 6: Final answer
    x = 25,369.55

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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.