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Finding the Fourth Proportional to 17,273.82, 25,906.74 and 8,388.80

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Solution

The fourth proportional to 17,273.82, 25,906.74 and 8,388.80 is: 12,581.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,273.82 : 25,906.74 = 8,388.80 : x
  2. Step 2: Convert to fraction form
    17,273.82/25,906.74 = 8,388.80/x
  3. Step 3: Cross multiply
    17,273.82x = 25,906.74 × 8,388.80
  4. Step 4: Simplify right side
    17,273.82x = 217,326,460.51
  5. Step 5: Solve for x
    x = 217,326,460.51/17,273.82
  6. Step 6: Final answer
    x = 12,581.26

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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.