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Finding the Fourth Proportional to 3,195.05, 4,791.85 and 886.73

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Solution

The fourth proportional to 3,195.05, 4,791.85 and 886.73 is: 1,329.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.05 : 4,791.85 = 886.73 : x
  2. Step 2: Convert to fraction form
    3,195.05/4,791.85 = 886.73/x
  3. Step 3: Cross multiply
    3,195.05x = 4,791.85 × 886.73
  4. Step 4: Simplify right side
    3,195.05x = 4,249,050.97
  5. Step 5: Solve for x
    x = 4,249,050.97/3,195.05
  6. Step 6: Final answer
    x = 1,329.89

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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.