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Finding the Fourth Proportional to 1,791.49, 2,687.41 and 695.94

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Solution

The fourth proportional to 1,791.49, 2,687.41 and 695.94 is: 1,043.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791.49 : 2,687.41 = 695.94 : x
  2. Step 2: Convert to fraction form
    1,791.49/2,687.41 = 695.94/x
  3. Step 3: Cross multiply
    1,791.49x = 2,687.41 × 695.94
  4. Step 4: Simplify right side
    1,791.49x = 1,870,280.72
  5. Step 5: Solve for x
    x = 1,870,280.72/1,791.49
  6. Step 6: Final answer
    x = 1,043.98

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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.