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Finding the Fourth Proportional to 7,796.88, 11,691.54 and 2,601

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Solution

The fourth proportional to 7,796.88, 11,691.54 and 2,601 is: 3,900.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,796.88 : 11,691.54 = 2,601 : x
  2. Step 2: Convert to fraction form
    7,796.88/11,691.54 = 2,601/x
  3. Step 3: Cross multiply
    7,796.88x = 11,691.54 × 2,601
  4. Step 4: Simplify right side
    7,796.88x = 30,409,695.54
  5. Step 5: Solve for x
    x = 30,409,695.54/7,796.88
  6. Step 6: Final answer
    x = 3,900.24

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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.