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Finding the Fourth Proportional to 17,392.65, 23,994.41 and 11,731.05

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Solution

The fourth proportional to 17,392.65, 23,994.41 and 11,731.05 is: 16,183.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,392.65 : 23,994.41 = 11,731.05 : x
  2. Step 2: Convert to fraction form
    17,392.65/23,994.41 = 11,731.05/x
  3. Step 3: Cross multiply
    17,392.65x = 23,994.41 × 11,731.05
  4. Step 4: Simplify right side
    17,392.65x = 281,479,564.78
  5. Step 5: Solve for x
    x = 281,479,564.78/17,392.65
  6. Step 6: Final answer
    x = 16,183.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.