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Finding the Fourth Proportional to 2,067.94, 2,853.80 and 1,123.74

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Solution

The fourth proportional to 2,067.94, 2,853.80 and 1,123.74 is: 1,550.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,067.94 : 2,853.80 = 1,123.74 : x
  2. Step 2: Convert to fraction form
    2,067.94/2,853.80 = 1,123.74/x
  3. Step 3: Cross multiply
    2,067.94x = 2,853.80 × 1,123.74
  4. Step 4: Simplify right side
    2,067.94x = 3,206,927.81
  5. Step 5: Solve for x
    x = 3,206,927.81/2,067.94
  6. Step 6: Final answer
    x = 1,550.78

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