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Finding the Fourth Proportional to 18,273.82, 27,354.84 and 11,706.34

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Solution

The fourth proportional to 18,273.82, 27,354.84 and 11,706.34 is: 17,523.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,273.82 : 27,354.84 = 11,706.34 : x
  2. Step 2: Convert to fraction form
    18,273.82/27,354.84 = 11,706.34/x
  3. Step 3: Cross multiply
    18,273.82x = 27,354.84 × 11,706.34
  4. Step 4: Simplify right side
    18,273.82x = 320,225,057.69
  5. Step 5: Solve for x
    x = 320,225,057.69/18,273.82
  6. Step 6: Final answer
    x = 17,523.71

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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.