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Finding the Fourth Proportional to 83,896.90, 125,889.23 and 33,982.27

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Solution

The fourth proportional to 83,896.90, 125,889.23 and 33,982.27 is: 50,991.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,896.90 : 125,889.23 = 33,982.27 : x
  2. Step 2: Convert to fraction form
    83,896.90/125,889.23 = 33,982.27/x
  3. Step 3: Cross multiply
    83,896.90x = 125,889.23 × 33,982.27
  4. Step 4: Simplify right side
    83,896.90x = 4,278,001,803.95
  5. Step 5: Solve for x
    x = 4,278,001,803.95/83,896.90
  6. Step 6: Final answer
    x = 50,991.18

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Double scale
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Similar ratio
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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.