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Finding the Fourth Proportional to 5,998.92, 8,276.22 and 3,640.20

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Solution

The fourth proportional to 5,998.92, 8,276.22 and 3,640.20 is: 5,022.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,998.92 : 8,276.22 = 3,640.20 : x
  2. Step 2: Convert to fraction form
    5,998.92/8,276.22 = 3,640.20/x
  3. Step 3: Cross multiply
    5,998.92x = 8,276.22 × 3,640.20
  4. Step 4: Simplify right side
    5,998.92x = 30,127,096.04
  5. Step 5: Solve for x
    x = 30,127,096.04/5,998.92
  6. Step 6: Final answer
    x = 5,022.09

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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.