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Finding the Fourth Proportional to 3,660.48, 5,050.62 and 2,168.46

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Solution

The fourth proportional to 3,660.48, 5,050.62 and 2,168.46 is: 2,991.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.48 : 5,050.62 = 2,168.46 : x
  2. Step 2: Convert to fraction form
    3,660.48/5,050.62 = 2,168.46/x
  3. Step 3: Cross multiply
    3,660.48x = 5,050.62 × 2,168.46
  4. Step 4: Simplify right side
    3,660.48x = 10,952,067.45
  5. Step 5: Solve for x
    x = 10,952,067.45/3,660.48
  6. Step 6: Final answer
    x = 2,991.98

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