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Finding the Fourth Proportional to 7,937.69, 11,906.03 and 3,553.97

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Solution

The fourth proportional to 7,937.69, 11,906.03 and 3,553.97 is: 5,330.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,937.69 : 11,906.03 = 3,553.97 : x
  2. Step 2: Convert to fraction form
    7,937.69/11,906.03 = 3,553.97/x
  3. Step 3: Cross multiply
    7,937.69x = 11,906.03 × 3,553.97
  4. Step 4: Simplify right side
    7,937.69x = 42,313,622.79
  5. Step 5: Solve for x
    x = 42,313,622.79/7,937.69
  6. Step 6: Final answer
    x = 5,330.73

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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.