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Finding the Fourth Proportional to 7,793.62, 10,755.48 and 4,256.85

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Solution

The fourth proportional to 7,793.62, 10,755.48 and 4,256.85 is: 5,874.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,793.62 : 10,755.48 = 4,256.85 : x
  2. Step 2: Convert to fraction form
    7,793.62/10,755.48 = 4,256.85/x
  3. Step 3: Cross multiply
    7,793.62x = 10,755.48 × 4,256.85
  4. Step 4: Simplify right side
    7,793.62x = 45,784,521.33
  5. Step 5: Solve for x
    x = 45,784,521.33/7,793.62
  6. Step 6: Final answer
    x = 5,874.62

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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.