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Finding the Fourth Proportional to 1,929.94, 2,662.70 and 1,183.52

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Solution

The fourth proportional to 1,929.94, 2,662.70 and 1,183.52 is: 1,632.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929.94 : 2,662.70 = 1,183.52 : x
  2. Step 2: Convert to fraction form
    1,929.94/2,662.70 = 1,183.52/x
  3. Step 3: Cross multiply
    1,929.94x = 2,662.70 × 1,183.52
  4. Step 4: Simplify right side
    1,929.94x = 3,151,359.44
  5. Step 5: Solve for x
    x = 3,151,359.44/1,929.94
  6. Step 6: Final answer
    x = 1,632.88

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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.