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Finding the Fourth Proportional to 7,793.82, 11,694.54 and 3,410.64

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Solution

The fourth proportional to 7,793.82, 11,694.54 and 3,410.64 is: 5,117.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,793.82 : 11,694.54 = 3,410.64 : x
  2. Step 2: Convert to fraction form
    7,793.82/11,694.54 = 3,410.64/x
  3. Step 3: Cross multiply
    7,793.82x = 11,694.54 × 3,410.64
  4. Step 4: Simplify right side
    7,793.82x = 39,885,865.91
  5. Step 5: Solve for x
    x = 39,885,865.91/7,793.82
  6. Step 6: Final answer
    x = 5,117.63

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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.