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Finding the Fourth Proportional to 6,721.94, 10,081.09 and 2,825.44

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Solution

The fourth proportional to 6,721.94, 10,081.09 and 2,825.44 is: 4,237.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.94 : 10,081.09 = 2,825.44 : x
  2. Step 2: Convert to fraction form
    6,721.94/10,081.09 = 2,825.44/x
  3. Step 3: Cross multiply
    6,721.94x = 10,081.09 × 2,825.44
  4. Step 4: Simplify right side
    6,721.94x = 28,483,493.26
  5. Step 5: Solve for x
    x = 28,483,493.26/6,721.94
  6. Step 6: Final answer
    x = 4,237.39

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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.