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Finding the Fourth Proportional to 17,481.69, 26,200.64 and 13,769.25

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Solution

The fourth proportional to 17,481.69, 26,200.64 and 13,769.25 is: 20,636.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,481.69 : 26,200.64 = 13,769.25 : x
  2. Step 2: Convert to fraction form
    17,481.69/26,200.64 = 13,769.25/x
  3. Step 3: Cross multiply
    17,481.69x = 26,200.64 × 13,769.25
  4. Step 4: Simplify right side
    17,481.69x = 360,763,093.47
  5. Step 5: Solve for x
    x = 360,763,093.47/17,481.69
  6. Step 6: Final answer
    x = 20,636.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.