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Finding the Fourth Proportional to 11,219.72, 16,834.43 and 6,019.52

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Solution

The fourth proportional to 11,219.72, 16,834.43 and 6,019.52 is: 9,031.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,219.72 : 16,834.43 = 6,019.52 : x
  2. Step 2: Convert to fraction form
    11,219.72/16,834.43 = 6,019.52/x
  3. Step 3: Cross multiply
    11,219.72x = 16,834.43 × 6,019.52
  4. Step 4: Simplify right side
    11,219.72x = 101,335,073.80
  5. Step 5: Solve for x
    x = 101,335,073.80/11,219.72
  6. Step 6: Final answer
    x = 9,031.88

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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.