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Finding the Fourth Proportional to 11,994.61, 16,553.01 and 6,690.45

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Solution

The fourth proportional to 11,994.61, 16,553.01 and 6,690.45 is: 9,233.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,994.61 : 16,553.01 = 6,690.45 : x
  2. Step 2: Convert to fraction form
    11,994.61/16,553.01 = 6,690.45/x
  3. Step 3: Cross multiply
    11,994.61x = 16,553.01 × 6,690.45
  4. Step 4: Simplify right side
    11,994.61x = 110,747,042.17
  5. Step 5: Solve for x
    x = 110,747,042.17/11,994.61
  6. Step 6: Final answer
    x = 9,233.07

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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.