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Finding the Fourth Proportional to 18,093.78, 27,146.07 and 8,224.88

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Solution

The fourth proportional to 18,093.78, 27,146.07 and 8,224.88 is: 12,339.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,093.78 : 27,146.07 = 8,224.88 : x
  2. Step 2: Convert to fraction form
    18,093.78/27,146.07 = 8,224.88/x
  3. Step 3: Cross multiply
    18,093.78x = 27,146.07 × 8,224.88
  4. Step 4: Simplify right side
    18,093.78x = 223,273,032.49
  5. Step 5: Solve for x
    x = 223,273,032.49/18,093.78
  6. Step 6: Final answer
    x = 12,339.77

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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.