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Finding the Fourth Proportional to 19,974.97, 27,682 and 19,693.09

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Solution

The fourth proportional to 19,974.97, 27,682 and 19,693.09 is: 27,291.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,974.97 : 27,682 = 19,693.09 : x
  2. Step 2: Convert to fraction form
    19,974.97/27,682 = 19,693.09/x
  3. Step 3: Cross multiply
    19,974.97x = 27,682 × 19,693.09
  4. Step 4: Simplify right side
    19,974.97x = 545,144,117.38
  5. Step 5: Solve for x
    x = 545,144,117.38/19,974.97
  6. Step 6: Final answer
    x = 27,291.36

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These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.