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Finding the Fourth Proportional to 27,867, 41,800.50 and 9,399

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Solution

The fourth proportional to 27,867, 41,800.50 and 9,399 is: 14,098.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,867 : 41,800.50 = 9,399 : x
  2. Step 2: Convert to fraction form
    27,867/41,800.50 = 9,399/x
  3. Step 3: Cross multiply
    27,867x = 41,800.50 × 9,399
  4. Step 4: Simplify right side
    27,867x = 392,882,899.50
  5. Step 5: Solve for x
    x = 392,882,899.50/27,867
  6. Step 6: Final answer
    x = 14,098.50

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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.