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Finding the Fourth Proportional to 36,167.42, 49,911.70 and 20,251.82

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Solution

The fourth proportional to 36,167.42, 49,911.70 and 20,251.82 is: 27,947.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,167.42 : 49,911.70 = 20,251.82 : x
  2. Step 2: Convert to fraction form
    36,167.42/49,911.70 = 20,251.82/x
  3. Step 3: Cross multiply
    36,167.42x = 49,911.70 × 20,251.82
  4. Step 4: Simplify right side
    36,167.42x = 1,010,802,764.29
  5. Step 5: Solve for x
    x = 1,010,802,764.29/36,167.42
  6. Step 6: Final answer
    x = 27,947.88

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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.