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Finding the Fourth Proportional to 3,791.73, 5,235.77 and 2,673.93

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Solution

The fourth proportional to 3,791.73, 5,235.77 and 2,673.93 is: 3,692.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.73 : 5,235.77 = 2,673.93 : x
  2. Step 2: Convert to fraction form
    3,791.73/5,235.77 = 2,673.93/x
  3. Step 3: Cross multiply
    3,791.73x = 5,235.77 × 2,673.93
  4. Step 4: Simplify right side
    3,791.73x = 14,000,069.11
  5. Step 5: Solve for x
    x = 14,000,069.11/3,791.73
  6. Step 6: Final answer
    x = 3,692.26

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Why These Related Problems?

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