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Finding the Fourth Proportional to 36,954.17, 55,431.23 and 11,994.22

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Solution

The fourth proportional to 36,954.17, 55,431.23 and 11,994.22 is: 17,991.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,954.17 : 55,431.23 = 11,994.22 : x
  2. Step 2: Convert to fraction form
    36,954.17/55,431.23 = 11,994.22/x
  3. Step 3: Cross multiply
    36,954.17x = 55,431.23 × 11,994.22
  4. Step 4: Simplify right side
    36,954.17x = 664,854,367.49
  5. Step 5: Solve for x
    x = 664,854,367.49/36,954.17
  6. Step 6: Final answer
    x = 17,991.32

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.