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Finding the Fourth Proportional to 6,728.52, 10,086.28 and 3,443.16

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Solution

The fourth proportional to 6,728.52, 10,086.28 and 3,443.16 is: 5,161.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,728.52 : 10,086.28 = 3,443.16 : x
  2. Step 2: Convert to fraction form
    6,728.52/10,086.28 = 3,443.16/x
  3. Step 3: Cross multiply
    6,728.52x = 10,086.28 × 3,443.16
  4. Step 4: Simplify right side
    6,728.52x = 34,728,675.84
  5. Step 5: Solve for x
    x = 34,728,675.84/6,728.52
  6. Step 6: Final answer
    x = 5,161.41

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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.