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Finding the Fourth Proportional to 33,691.50, 50,537.05 and 8,731.49

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Solution

The fourth proportional to 33,691.50, 50,537.05 and 8,731.49 is: 13,097.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,691.50 : 50,537.05 = 8,731.49 : x
  2. Step 2: Convert to fraction form
    33,691.50/50,537.05 = 8,731.49/x
  3. Step 3: Cross multiply
    33,691.50x = 50,537.05 × 8,731.49
  4. Step 4: Simplify right side
    33,691.50x = 441,263,472.19
  5. Step 5: Solve for x
    x = 441,263,472.19/33,691.50
  6. Step 6: Final answer
    x = 13,097.18

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1.5x scale

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.