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Finding the Fourth Proportional to 27,649.26, 41,481.09 and 7,929.36

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Solution

The fourth proportional to 27,649.26, 41,481.09 and 7,929.36 is: 11,896.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,649.26 : 41,481.09 = 7,929.36 : x
  2. Step 2: Convert to fraction form
    27,649.26/41,481.09 = 7,929.36/x
  3. Step 3: Cross multiply
    27,649.26x = 41,481.09 × 7,929.36
  4. Step 4: Simplify right side
    27,649.26x = 328,918,495.80
  5. Step 5: Solve for x
    x = 328,918,495.80/27,649.26
  6. Step 6: Final answer
    x = 11,896.10

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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.