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Finding the Fourth Proportional to 1,301.27, 1,949.67 and 884.12

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Solution

The fourth proportional to 1,301.27, 1,949.67 and 884.12 is: 1,324.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301.27 : 1,949.67 = 884.12 : x
  2. Step 2: Convert to fraction form
    1,301.27/1,949.67 = 884.12/x
  3. Step 3: Cross multiply
    1,301.27x = 1,949.67 × 884.12
  4. Step 4: Simplify right side
    1,301.27x = 1,723,732.49
  5. Step 5: Solve for x
    x = 1,723,732.49/1,301.27
  6. Step 6: Final answer
    x = 1,324.66

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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.