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Finding the Fourth Proportional to 83,878.44, 125,816.56 and 33,958.12

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Solution

The fourth proportional to 83,878.44, 125,816.56 and 33,958.12 is: 50,936.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,878.44 : 125,816.56 = 33,958.12 : x
  2. Step 2: Convert to fraction form
    83,878.44/125,816.56 = 33,958.12/x
  3. Step 3: Cross multiply
    83,878.44x = 125,816.56 × 33,958.12
  4. Step 4: Simplify right side
    83,878.44x = 4,272,493,842.47
  5. Step 5: Solve for x
    x = 4,272,493,842.47/83,878.44
  6. Step 6: Final answer
    x = 50,936.73

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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.