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Finding the Fourth Proportional to 18,063.44, 27,060.09 and 13,310.97

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Solution

The fourth proportional to 18,063.44, 27,060.09 and 13,310.97 is: 19,940.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,063.44 : 27,060.09 = 13,310.97 : x
  2. Step 2: Convert to fraction form
    18,063.44/27,060.09 = 13,310.97/x
  3. Step 3: Cross multiply
    18,063.44x = 27,060.09 × 13,310.97
  4. Step 4: Simplify right side
    18,063.44x = 360,195,969.67
  5. Step 5: Solve for x
    x = 360,195,969.67/18,063.44
  6. Step 6: Final answer
    x = 19,940.61

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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.