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Finding the Fourth Proportional to 19,652.29, 27,115.77 and 11,268.79

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Solution

The fourth proportional to 19,652.29, 27,115.77 and 11,268.79 is: 15,548.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,652.29 : 27,115.77 = 11,268.79 : x
  2. Step 2: Convert to fraction form
    19,652.29/27,115.77 = 11,268.79/x
  3. Step 3: Cross multiply
    19,652.29x = 27,115.77 × 11,268.79
  4. Step 4: Simplify right side
    19,652.29x = 305,561,917.82
  5. Step 5: Solve for x
    x = 305,561,917.82/19,652.29
  6. Step 6: Final answer
    x = 15,548.41

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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.