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Finding the Fourth Proportional to 6,793.12, 9,372.42 and 4,277.74

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Solution

The fourth proportional to 6,793.12, 9,372.42 and 4,277.74 is: 5,901.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,793.12 : 9,372.42 = 4,277.74 : x
  2. Step 2: Convert to fraction form
    6,793.12/9,372.42 = 4,277.74/x
  3. Step 3: Cross multiply
    6,793.12x = 9,372.42 × 4,277.74
  4. Step 4: Simplify right side
    6,793.12x = 40,092,775.93
  5. Step 5: Solve for x
    x = 40,092,775.93/6,793.12
  6. Step 6: Final answer
    x = 5,901.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.