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Finding the Fourth Proportional to 27,958.45, 41,936.16 and 8,237.18

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Solution

The fourth proportional to 27,958.45, 41,936.16 and 8,237.18 is: 12,355.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,958.45 : 41,936.16 = 8,237.18 : x
  2. Step 2: Convert to fraction form
    27,958.45/41,936.16 = 8,237.18/x
  3. Step 3: Cross multiply
    27,958.45x = 41,936.16 × 8,237.18
  4. Step 4: Simplify right side
    27,958.45x = 345,435,698.43
  5. Step 5: Solve for x
    x = 345,435,698.43/27,958.45
  6. Step 6: Final answer
    x = 12,355.32

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1.5x scale

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.