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Finding the Fourth Proportional to 10,067.09, 13,892.12 and 5,591.12

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Solution

The fourth proportional to 10,067.09, 13,892.12 and 5,591.12 is: 7,715.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,067.09 : 13,892.12 = 5,591.12 : x
  2. Step 2: Convert to fraction form
    10,067.09/13,892.12 = 5,591.12/x
  3. Step 3: Cross multiply
    10,067.09x = 13,892.12 × 5,591.12
  4. Step 4: Simplify right side
    10,067.09x = 77,672,516.75
  5. Step 5: Solve for x
    x = 77,672,516.75/10,067.09
  6. Step 6: Final answer
    x = 7,715.49

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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.