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Finding the Fourth Proportional to 17,183.69, 23,706.41 and 11,213.21

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Solution

The fourth proportional to 17,183.69, 23,706.41 and 11,213.21 is: 15,469.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,183.69 : 23,706.41 = 11,213.21 : x
  2. Step 2: Convert to fraction form
    17,183.69/23,706.41 = 11,213.21/x
  3. Step 3: Cross multiply
    17,183.69x = 23,706.41 × 11,213.21
  4. Step 4: Simplify right side
    17,183.69x = 265,824,897.61
  5. Step 5: Solve for x
    x = 265,824,897.61/17,183.69
  6. Step 6: Final answer
    x = 15,469.61

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Half scale
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Double scale
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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.