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Finding the Fourth Proportional to 17,316.81, 23,891.22 and 11,351.97

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Solution

The fourth proportional to 17,316.81, 23,891.22 and 11,351.97 is: 15,661.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,316.81 : 23,891.22 = 11,351.97 : x
  2. Step 2: Convert to fraction form
    17,316.81/23,891.22 = 11,351.97/x
  3. Step 3: Cross multiply
    17,316.81x = 23,891.22 × 11,351.97
  4. Step 4: Simplify right side
    17,316.81x = 271,212,412.70
  5. Step 5: Solve for x
    x = 271,212,412.70/17,316.81
  6. Step 6: Final answer
    x = 15,661.80

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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.