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Finding the Fourth Proportional to 20,282.39, 27,786.38 and 19,524.32

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Solution

The fourth proportional to 20,282.39, 27,786.38 and 19,524.32 is: 26,747.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,282.39 : 27,786.38 = 19,524.32 : x
  2. Step 2: Convert to fraction form
    20,282.39/27,786.38 = 19,524.32/x
  3. Step 3: Cross multiply
    20,282.39x = 27,786.38 × 19,524.32
  4. Step 4: Simplify right side
    20,282.39x = 542,510,174.76
  5. Step 5: Solve for x
    x = 542,510,174.76/20,282.39
  6. Step 6: Final answer
    x = 26,747.84

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.