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Finding the Fourth Proportional to 1,771.74, 2,446.02 and 1,183.14

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Solution

The fourth proportional to 1,771.74, 2,446.02 and 1,183.14 is: 1,633.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771.74 : 2,446.02 = 1,183.14 : x
  2. Step 2: Convert to fraction form
    1,771.74/2,446.02 = 1,183.14/x
  3. Step 3: Cross multiply
    1,771.74x = 2,446.02 × 1,183.14
  4. Step 4: Simplify right side
    1,771.74x = 2,893,984.10
  5. Step 5: Solve for x
    x = 2,893,984.10/1,771.74
  6. Step 6: Final answer
    x = 1,633.41

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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.