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Finding the Fourth Proportional to 6,376.63, 8,796.08 and 3,982.44

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Solution

The fourth proportional to 6,376.63, 8,796.08 and 3,982.44 is: 5,493.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,376.63 : 8,796.08 = 3,982.44 : x
  2. Step 2: Convert to fraction form
    6,376.63/8,796.08 = 3,982.44/x
  3. Step 3: Cross multiply
    6,376.63x = 8,796.08 × 3,982.44
  4. Step 4: Simplify right side
    6,376.63x = 35,029,860.84
  5. Step 5: Solve for x
    x = 35,029,860.84/6,376.63
  6. Step 6: Final answer
    x = 5,493.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.