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Finding the Fourth Proportional to 6,120.92, 8,446.83 and 3,326.42

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Solution

The fourth proportional to 6,120.92, 8,446.83 and 3,326.42 is: 4,590.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.92 : 8,446.83 = 3,326.42 : x
  2. Step 2: Convert to fraction form
    6,120.92/8,446.83 = 3,326.42/x
  3. Step 3: Cross multiply
    6,120.92x = 8,446.83 × 3,326.42
  4. Step 4: Simplify right side
    6,120.92x = 28,097,704.25
  5. Step 5: Solve for x
    x = 28,097,704.25/6,120.92
  6. Step 6: Final answer
    x = 4,590.44

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Half scale
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Double scale
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Similar ratio
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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.