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Finding the Fourth Proportional to 1,454.96, 2,007.89 and 791.84

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Solution

The fourth proportional to 1,454.96, 2,007.89 and 791.84 is: 1,092.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454.96 : 2,007.89 = 791.84 : x
  2. Step 2: Convert to fraction form
    1,454.96/2,007.89 = 791.84/x
  3. Step 3: Cross multiply
    1,454.96x = 2,007.89 × 791.84
  4. Step 4: Simplify right side
    1,454.96x = 1,589,924.81
  5. Step 5: Solve for x
    x = 1,589,924.81/1,454.96
  6. Step 6: Final answer
    x = 1,092.76

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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.