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Finding the Fourth Proportional to 33,908.80, 50,828.10 and 15,197.80

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Solution

The fourth proportional to 33,908.80, 50,828.10 and 15,197.80 is: 22,780.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,908.80 : 50,828.10 = 15,197.80 : x
  2. Step 2: Convert to fraction form
    33,908.80/50,828.10 = 15,197.80/x
  3. Step 3: Cross multiply
    33,908.80x = 50,828.10 × 15,197.80
  4. Step 4: Simplify right side
    33,908.80x = 772,475,298.18
  5. Step 5: Solve for x
    x = 772,475,298.18/33,908.80
  6. Step 6: Final answer
    x = 22,780.97

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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.