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Finding the Fourth Proportional to 6,249.57, 8,609.78 and 4,357.71

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Solution

The fourth proportional to 6,249.57, 8,609.78 and 4,357.71 is: 6,003.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,249.57 : 8,609.78 = 4,357.71 : x
  2. Step 2: Convert to fraction form
    6,249.57/8,609.78 = 4,357.71/x
  3. Step 3: Cross multiply
    6,249.57x = 8,609.78 × 4,357.71
  4. Step 4: Simplify right side
    6,249.57x = 37,518,902.62
  5. Step 5: Solve for x
    x = 37,518,902.62/6,249.57
  6. Step 6: Final answer
    x = 6,003.44

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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.