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Finding the Fourth Proportional to 18,273.52, 27,354.75 and 11,704.29

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Solution

The fourth proportional to 18,273.52, 27,354.75 and 11,704.29 is: 17,520.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,273.52 : 27,354.75 = 11,704.29 : x
  2. Step 2: Convert to fraction form
    18,273.52/27,354.75 = 11,704.29/x
  3. Step 3: Cross multiply
    18,273.52x = 27,354.75 × 11,704.29
  4. Step 4: Simplify right side
    18,273.52x = 320,167,926.88
  5. Step 5: Solve for x
    x = 320,167,926.88/18,273.52
  6. Step 6: Final answer
    x = 17,520.87

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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.