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Finding the Fourth Proportional to 20,034.27, 27,653.04 and 13,233.27

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Solution

The fourth proportional to 20,034.27, 27,653.04 and 13,233.27 is: 18,265.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,034.27 : 27,653.04 = 13,233.27 : x
  2. Step 2: Convert to fraction form
    20,034.27/27,653.04 = 13,233.27/x
  3. Step 3: Cross multiply
    20,034.27x = 27,653.04 × 13,233.27
  4. Step 4: Simplify right side
    20,034.27x = 365,940,144.64
  5. Step 5: Solve for x
    x = 365,940,144.64/20,034.27
  6. Step 6: Final answer
    x = 18,265.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.