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Finding the Fourth Proportional to 17,481.29, 26,211.56 and 6,945.65

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Solution

The fourth proportional to 17,481.29, 26,211.56 and 6,945.65 is: 10,414.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,481.29 : 26,211.56 = 6,945.65 : x
  2. Step 2: Convert to fraction form
    17,481.29/26,211.56 = 6,945.65/x
  3. Step 3: Cross multiply
    17,481.29x = 26,211.56 × 6,945.65
  4. Step 4: Simplify right side
    17,481.29x = 182,056,352.51
  5. Step 5: Solve for x
    x = 182,056,352.51/17,481.29
  6. Step 6: Final answer
    x = 10,414.36

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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.