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Finding the Fourth Proportional to 4,959.26, 6,843.39 and 2,721.13

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Solution

The fourth proportional to 4,959.26, 6,843.39 and 2,721.13 is: 3,754.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959.26 : 6,843.39 = 2,721.13 : x
  2. Step 2: Convert to fraction form
    4,959.26/6,843.39 = 2,721.13/x
  3. Step 3: Cross multiply
    4,959.26x = 6,843.39 × 2,721.13
  4. Step 4: Simplify right side
    4,959.26x = 18,621,726.52
  5. Step 5: Solve for x
    x = 18,621,726.52/4,959.26
  6. Step 6: Final answer
    x = 3,754.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.