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Finding the Fourth Proportional to 36,170.52, 49,912.08 and 20,251.58

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Solution

The fourth proportional to 36,170.52, 49,912.08 and 20,251.58 is: 27,945.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,170.52 : 49,912.08 = 20,251.58 : x
  2. Step 2: Convert to fraction form
    36,170.52/49,912.08 = 20,251.58/x
  3. Step 3: Cross multiply
    36,170.52x = 49,912.08 × 20,251.58
  4. Step 4: Simplify right side
    36,170.52x = 1,010,798,481.09
  5. Step 5: Solve for x
    x = 1,010,798,481.09/36,170.52
  6. Step 6: Final answer
    x = 27,945.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.