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Finding the Fourth Proportional to 19,065.72, 26,301.79 and 11,996.04

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Solution

The fourth proportional to 19,065.72, 26,301.79 and 11,996.04 is: 16,548.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,065.72 : 26,301.79 = 11,996.04 : x
  2. Step 2: Convert to fraction form
    19,065.72/26,301.79 = 11,996.04/x
  3. Step 3: Cross multiply
    19,065.72x = 26,301.79 × 11,996.04
  4. Step 4: Simplify right side
    19,065.72x = 315,517,163.41
  5. Step 5: Solve for x
    x = 315,517,163.41/19,065.72
  6. Step 6: Final answer
    x = 16,548.93

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