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Finding the Fourth Proportional to 23,994.32, 33,111.84 and 13,384.12

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Solution

The fourth proportional to 23,994.32, 33,111.84 and 13,384.12 is: 18,469.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,994.32 : 33,111.84 = 13,384.12 : x
  2. Step 2: Convert to fraction form
    23,994.32/33,111.84 = 13,384.12/x
  3. Step 3: Cross multiply
    23,994.32x = 33,111.84 × 13,384.12
  4. Step 4: Simplify right side
    23,994.32x = 443,172,839.98
  5. Step 5: Solve for x
    x = 443,172,839.98/23,994.32
  6. Step 6: Final answer
    x = 18,469.91

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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.