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Finding the Fourth Proportional to 6,902.72, 10,354.19 and 2,520.62

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Solution

The fourth proportional to 6,902.72, 10,354.19 and 2,520.62 is: 3,780.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,902.72 : 10,354.19 = 2,520.62 : x
  2. Step 2: Convert to fraction form
    6,902.72/10,354.19 = 2,520.62/x
  3. Step 3: Cross multiply
    6,902.72x = 10,354.19 × 2,520.62
  4. Step 4: Simplify right side
    6,902.72x = 26,098,991.68
  5. Step 5: Solve for x
    x = 26,098,991.68/6,902.72
  6. Step 6: Final answer
    x = 3,780.97

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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.