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Finding the Fourth Proportional to 6,793.44, 10,129.84 and 6,780.96

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Solution

The fourth proportional to 6,793.44, 10,129.84 and 6,780.96 is: 10,111.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,793.44 : 10,129.84 = 6,780.96 : x
  2. Step 2: Convert to fraction form
    6,793.44/10,129.84 = 6,780.96/x
  3. Step 3: Cross multiply
    6,793.44x = 10,129.84 × 6,780.96
  4. Step 4: Simplify right side
    6,793.44x = 68,690,039.85
  5. Step 5: Solve for x
    x = 68,690,039.85/6,793.44
  6. Step 6: Final answer
    x = 10,111.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.