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Finding the Fourth Proportional to 27,469.62, 41,206.86 and 9,939.60

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Solution

The fourth proportional to 27,469.62, 41,206.86 and 9,939.60 is: 14,910.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,469.62 : 41,206.86 = 9,939.60 : x
  2. Step 2: Convert to fraction form
    27,469.62/41,206.86 = 9,939.60/x
  3. Step 3: Cross multiply
    27,469.62x = 41,206.86 × 9,939.60
  4. Step 4: Simplify right side
    27,469.62x = 409,579,705.66
  5. Step 5: Solve for x
    x = 409,579,705.66/27,469.62
  6. Step 6: Final answer
    x = 14,910.28

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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.