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Finding the Fourth Proportional to 7,960.04, 11,942.04 and 2,765.96

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Solution

The fourth proportional to 7,960.04, 11,942.04 and 2,765.96 is: 4,149.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.04 : 11,942.04 = 2,765.96 : x
  2. Step 2: Convert to fraction form
    7,960.04/11,942.04 = 2,765.96/x
  3. Step 3: Cross multiply
    7,960.04x = 11,942.04 × 2,765.96
  4. Step 4: Simplify right side
    7,960.04x = 33,031,204.96
  5. Step 5: Solve for x
    x = 33,031,204.96/7,960.04
  6. Step 6: Final answer
    x = 4,149.63

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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.