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Finding the Fourth Proportional to 83,914.78, 125,872.50 and 33,995.82

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Solution

The fourth proportional to 83,914.78, 125,872.50 and 33,995.82 is: 50,993.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,914.78 : 125,872.50 = 33,995.82 : x
  2. Step 2: Convert to fraction form
    83,914.78/125,872.50 = 33,995.82/x
  3. Step 3: Cross multiply
    83,914.78x = 125,872.50 × 33,995.82
  4. Step 4: Simplify right side
    83,914.78x = 4,279,138,852.95
  5. Step 5: Solve for x
    x = 4,279,138,852.95/83,914.78
  6. Step 6: Final answer
    x = 50,993.86

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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.