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Finding the Fourth Proportional to 19,516.62, 26,933.59 and 11,961.49

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Solution

The fourth proportional to 19,516.62, 26,933.59 and 11,961.49 is: 16,507.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,516.62 : 26,933.59 = 11,961.49 : x
  2. Step 2: Convert to fraction form
    19,516.62/26,933.59 = 11,961.49/x
  3. Step 3: Cross multiply
    19,516.62x = 26,933.59 × 11,961.49
  4. Step 4: Simplify right side
    19,516.62x = 322,165,867.45
  5. Step 5: Solve for x
    x = 322,165,867.45/19,516.62
  6. Step 6: Final answer
    x = 16,507.26

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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.