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Finding the Fourth Proportional to 2,667.41, 3,999.49 and 1,368.17

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Solution

The fourth proportional to 2,667.41, 3,999.49 and 1,368.17 is: 2,051.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,667.41 : 3,999.49 = 1,368.17 : x
  2. Step 2: Convert to fraction form
    2,667.41/3,999.49 = 1,368.17/x
  3. Step 3: Cross multiply
    2,667.41x = 3,999.49 × 1,368.17
  4. Step 4: Simplify right side
    2,667.41x = 5,471,958.82
  5. Step 5: Solve for x
    x = 5,471,958.82/2,667.41
  6. Step 6: Final answer
    x = 2,051.42

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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.