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Finding the Fourth Proportional to 1,964.06, 2,942.17 and 1,183.65

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Solution

The fourth proportional to 1,964.06, 2,942.17 and 1,183.65 is: 1,773.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964.06 : 2,942.17 = 1,183.65 : x
  2. Step 2: Convert to fraction form
    1,964.06/2,942.17 = 1,183.65/x
  3. Step 3: Cross multiply
    1,964.06x = 2,942.17 × 1,183.65
  4. Step 4: Simplify right side
    1,964.06x = 3,482,496.56
  5. Step 5: Solve for x
    x = 3,482,496.56/1,964.06
  6. Step 6: Final answer
    x = 1,773.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.