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Finding the Fourth Proportional to 1,944.42, 2,914.07 and 789.54

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Solution

The fourth proportional to 1,944.42, 2,914.07 and 789.54 is: 1,183.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.42 : 2,914.07 = 789.54 : x
  2. Step 2: Convert to fraction form
    1,944.42/2,914.07 = 789.54/x
  3. Step 3: Cross multiply
    1,944.42x = 2,914.07 × 789.54
  4. Step 4: Simplify right side
    1,944.42x = 2,300,774.83
  5. Step 5: Solve for x
    x = 2,300,774.83/1,944.42
  6. Step 6: Final answer
    x = 1,183.27

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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.