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Finding the Fourth Proportional to 83,757.54, 125,659.76 and 33,872.67

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Solution

The fourth proportional to 83,757.54, 125,659.76 and 33,872.67 is: 50,818.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,757.54 : 125,659.76 = 33,872.67 : x
  2. Step 2: Convert to fraction form
    83,757.54/125,659.76 = 33,872.67/x
  3. Step 3: Cross multiply
    83,757.54x = 125,659.76 × 33,872.67
  4. Step 4: Simplify right side
    83,757.54x = 4,256,431,582.76
  5. Step 5: Solve for x
    x = 4,256,431,582.76/83,757.54
  6. Step 6: Final answer
    x = 50,818.49

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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.