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Finding the Fourth Proportional to 17,392.40, 23,994.06 and 11,730.80

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Solution

The fourth proportional to 17,392.40, 23,994.06 and 11,730.80 is: 16,183.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,392.40 : 23,994.06 = 11,730.80 : x
  2. Step 2: Convert to fraction form
    17,392.40/23,994.06 = 11,730.80/x
  3. Step 3: Cross multiply
    17,392.40x = 23,994.06 × 11,730.80
  4. Step 4: Simplify right side
    17,392.40x = 281,469,519.05
  5. Step 5: Solve for x
    x = 281,469,519.05/17,392.40
  6. Step 6: Final answer
    x = 16,183.48

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1.5x scale

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.