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Finding the Fourth Proportional to 7,796.61, 11,694.79 and 2,531.79

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Solution

The fourth proportional to 7,796.61, 11,694.79 and 2,531.79 is: 3,797.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,796.61 : 11,694.79 = 2,531.79 : x
  2. Step 2: Convert to fraction form
    7,796.61/11,694.79 = 2,531.79/x
  3. Step 3: Cross multiply
    7,796.61x = 11,694.79 × 2,531.79
  4. Step 4: Simplify right side
    7,796.61x = 29,608,752.37
  5. Step 5: Solve for x
    x = 29,608,752.37/7,796.61
  6. Step 6: Final answer
    x = 3,797.64

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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.