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Finding the Fourth Proportional to 3,668.73, 5,506.05 and 1,914.27

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Solution

The fourth proportional to 3,668.73, 5,506.05 and 1,914.27 is: 2,872.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,668.73 : 5,506.05 = 1,914.27 : x
  2. Step 2: Convert to fraction form
    3,668.73/5,506.05 = 1,914.27/x
  3. Step 3: Cross multiply
    3,668.73x = 5,506.05 × 1,914.27
  4. Step 4: Simplify right side
    3,668.73x = 10,540,066.33
  5. Step 5: Solve for x
    x = 10,540,066.33/3,668.73
  6. Step 6: Final answer
    x = 2,872.95

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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.