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Finding the Fourth Proportional to 6,614.17, 9,928.55 and 3,843.97

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Solution

The fourth proportional to 6,614.17, 9,928.55 and 3,843.97 is: 5,770.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,614.17 : 9,928.55 = 3,843.97 : x
  2. Step 2: Convert to fraction form
    6,614.17/9,928.55 = 3,843.97/x
  3. Step 3: Cross multiply
    6,614.17x = 9,928.55 × 3,843.97
  4. Step 4: Simplify right side
    6,614.17x = 38,165,048.34
  5. Step 5: Solve for x
    x = 38,165,048.34/6,614.17
  6. Step 6: Final answer
    x = 5,770.19

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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.