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Finding the Fourth Proportional to 4,843.70, 6,684.32 and 2,747.83

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Solution

The fourth proportional to 4,843.70, 6,684.32 and 2,747.83 is: 3,792.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,843.70 : 6,684.32 = 2,747.83 : x
  2. Step 2: Convert to fraction form
    4,843.70/6,684.32 = 2,747.83/x
  3. Step 3: Cross multiply
    4,843.70x = 6,684.32 × 2,747.83
  4. Step 4: Simplify right side
    4,843.70x = 18,367,375.03
  5. Step 5: Solve for x
    x = 18,367,375.03/4,843.70
  6. Step 6: Final answer
    x = 3,792.01

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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.