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Finding the Fourth Proportional to 11,941.26, 17,911.89 and 5,366.22

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Solution

The fourth proportional to 11,941.26, 17,911.89 and 5,366.22 is: 8,049.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,941.26 : 17,911.89 = 5,366.22 : x
  2. Step 2: Convert to fraction form
    11,941.26/17,911.89 = 5,366.22/x
  3. Step 3: Cross multiply
    11,941.26x = 17,911.89 × 5,366.22
  4. Step 4: Simplify right side
    11,941.26x = 96,119,142.36
  5. Step 5: Solve for x
    x = 96,119,142.36/11,941.26
  6. Step 6: Final answer
    x = 8,049.33

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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.