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Finding the Fourth Proportional to 19,612.52, 27,062.10 and 11,229.08

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Solution

The fourth proportional to 19,612.52, 27,062.10 and 11,229.08 is: 15,494.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,612.52 : 27,062.10 = 11,229.08 : x
  2. Step 2: Convert to fraction form
    19,612.52/27,062.10 = 11,229.08/x
  3. Step 3: Cross multiply
    19,612.52x = 27,062.10 × 11,229.08
  4. Step 4: Simplify right side
    19,612.52x = 303,882,485.87
  5. Step 5: Solve for x
    x = 303,882,485.87/19,612.52
  6. Step 6: Final answer
    x = 15,494.31

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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.