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Finding the Fourth Proportional to 27,619.97, 41,429.96 and 6,843.47

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Solution

The fourth proportional to 27,619.97, 41,429.96 and 6,843.47 is: 10,265.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,619.97 : 41,429.96 = 6,843.47 : x
  2. Step 2: Convert to fraction form
    27,619.97/41,429.96 = 6,843.47/x
  3. Step 3: Cross multiply
    27,619.97x = 41,429.96 × 6,843.47
  4. Step 4: Simplify right side
    27,619.97x = 283,524,446.99
  5. Step 5: Solve for x
    x = 283,524,446.99/27,619.97
  6. Step 6: Final answer
    x = 10,265.20

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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.