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Finding the Fourth Proportional to 3,994.96, 5,995.14 and 1,397.92

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Solution

The fourth proportional to 3,994.96, 5,995.14 and 1,397.92 is: 2,097.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.96 : 5,995.14 = 1,397.92 : x
  2. Step 2: Convert to fraction form
    3,994.96/5,995.14 = 1,397.92/x
  3. Step 3: Cross multiply
    3,994.96x = 5,995.14 × 1,397.92
  4. Step 4: Simplify right side
    3,994.96x = 8,380,726.11
  5. Step 5: Solve for x
    x = 8,380,726.11/3,994.96
  6. Step 6: Final answer
    x = 2,097.82

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.