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Finding the Fourth Proportional to 10,793.92, 16,190.08 and 3,400.49

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Solution

The fourth proportional to 10,793.92, 16,190.08 and 3,400.49 is: 5,100.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,793.92 : 16,190.08 = 3,400.49 : x
  2. Step 2: Convert to fraction form
    10,793.92/16,190.08 = 3,400.49/x
  3. Step 3: Cross multiply
    10,793.92x = 16,190.08 × 3,400.49
  4. Step 4: Simplify right side
    10,793.92x = 55,054,115.69
  5. Step 5: Solve for x
    x = 55,054,115.69/10,793.92
  6. Step 6: Final answer
    x = 5,100.48

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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.