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Finding the Fourth Proportional to 33,825.78, 50,741.65 and 8,865.73

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Solution

The fourth proportional to 33,825.78, 50,741.65 and 8,865.73 is: 13,299.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,825.78 : 50,741.65 = 8,865.73 : x
  2. Step 2: Convert to fraction form
    33,825.78/50,741.65 = 8,865.73/x
  3. Step 3: Cross multiply
    33,825.78x = 50,741.65 × 8,865.73
  4. Step 4: Simplify right side
    33,825.78x = 449,861,768.65
  5. Step 5: Solve for x
    x = 449,861,768.65/33,825.78
  6. Step 6: Final answer
    x = 13,299.38

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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.