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Finding the Fourth Proportional to 33,878.37, 50,834.90 and 16,129.11

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Solution

The fourth proportional to 33,878.37, 50,834.90 and 16,129.11 is: 24,201.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,878.37 : 50,834.90 = 16,129.11 : x
  2. Step 2: Convert to fraction form
    33,878.37/50,834.90 = 16,129.11/x
  3. Step 3: Cross multiply
    33,878.37x = 50,834.90 × 16,129.11
  4. Step 4: Simplify right side
    33,878.37x = 819,921,734.26
  5. Step 5: Solve for x
    x = 819,921,734.26/33,878.37
  6. Step 6: Final answer
    x = 24,201.92

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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.