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Finding the Fourth Proportional to 6,149.92, 9,221.16 and 2,249.74

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Solution

The fourth proportional to 6,149.92, 9,221.16 and 2,249.74 is: 3,373.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,149.92 : 9,221.16 = 2,249.74 : x
  2. Step 2: Convert to fraction form
    6,149.92/9,221.16 = 2,249.74/x
  3. Step 3: Cross multiply
    6,149.92x = 9,221.16 × 2,249.74
  4. Step 4: Simplify right side
    6,149.92x = 20,745,212.50
  5. Step 5: Solve for x
    x = 20,745,212.50/6,149.92
  6. Step 6: Final answer
    x = 3,373.25

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Half scale
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Double scale
Find fourth proportional to 6,150.92, 9,222.66 and 2,250.74
Similar ratio
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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.