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Finding the Fourth Proportional to 6,487.44, 8,949.38 and 3,796.92

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Solution

The fourth proportional to 6,487.44, 8,949.38 and 3,796.92 is: 5,237.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,487.44 : 8,949.38 = 3,796.92 : x
  2. Step 2: Convert to fraction form
    6,487.44/8,949.38 = 3,796.92/x
  3. Step 3: Cross multiply
    6,487.44x = 8,949.38 × 3,796.92
  4. Step 4: Simplify right side
    6,487.44x = 33,980,060.93
  5. Step 5: Solve for x
    x = 33,980,060.93/6,487.44
  6. Step 6: Final answer
    x = 5,237.82

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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.