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Finding the Fourth Proportional to 3,443.96, 5,168.93 and 1,885.38

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Solution

The fourth proportional to 3,443.96, 5,168.93 and 1,885.38 is: 2,829.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,443.96 : 5,168.93 = 1,885.38 : x
  2. Step 2: Convert to fraction form
    3,443.96/5,168.93 = 1,885.38/x
  3. Step 3: Cross multiply
    3,443.96x = 5,168.93 × 1,885.38
  4. Step 4: Simplify right side
    3,443.96x = 9,745,387.82
  5. Step 5: Solve for x
    x = 9,745,387.82/3,443.96
  6. Step 6: Final answer
    x = 2,829.71

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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.