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Finding the Fourth Proportional to 33,677.70, 50,515.92 and 8,717.48

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Solution

The fourth proportional to 33,677.70, 50,515.92 and 8,717.48 is: 13,076.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,677.70 : 50,515.92 = 8,717.48 : x
  2. Step 2: Convert to fraction form
    33,677.70/50,515.92 = 8,717.48/x
  3. Step 3: Cross multiply
    33,677.70x = 50,515.92 × 8,717.48
  4. Step 4: Simplify right side
    33,677.70x = 440,371,648.57
  5. Step 5: Solve for x
    x = 440,371,648.57/33,677.70
  6. Step 6: Final answer
    x = 13,076.06

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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.