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Finding the Fourth Proportional to 1,940.04, 2,676.04 and 1,183.47

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Solution

The fourth proportional to 1,940.04, 2,676.04 and 1,183.47 is: 1,632.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940.04 : 2,676.04 = 1,183.47 : x
  2. Step 2: Convert to fraction form
    1,940.04/2,676.04 = 1,183.47/x
  3. Step 3: Cross multiply
    1,940.04x = 2,676.04 × 1,183.47
  4. Step 4: Simplify right side
    1,940.04x = 3,167,013.06
  5. Step 5: Solve for x
    x = 3,167,013.06/1,940.04
  6. Step 6: Final answer
    x = 1,632.45

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Why These Related Problems?

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