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Finding the Fourth Proportional to 11,994.95, 16,553.07 and 6,690.11

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Solution

The fourth proportional to 11,994.95, 16,553.07 and 6,690.11 is: 9,232.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,994.95 : 16,553.07 = 6,690.11 : x
  2. Step 2: Convert to fraction form
    11,994.95/16,553.07 = 6,690.11/x
  3. Step 3: Cross multiply
    11,994.95x = 16,553.07 × 6,690.11
  4. Step 4: Simplify right side
    11,994.95x = 110,741,872.30
  5. Step 5: Solve for x
    x = 110,741,872.30/11,994.95
  6. Step 6: Final answer
    x = 9,232.37

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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.