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Finding the Fourth Proportional to 5,998.66, 8,276.49 and 3,874.28

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Solution

The fourth proportional to 5,998.66, 8,276.49 and 3,874.28 is: 5,345.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,998.66 : 8,276.49 = 3,874.28 : x
  2. Step 2: Convert to fraction form
    5,998.66/8,276.49 = 3,874.28/x
  3. Step 3: Cross multiply
    5,998.66x = 8,276.49 × 3,874.28
  4. Step 4: Simplify right side
    5,998.66x = 32,065,378.92
  5. Step 5: Solve for x
    x = 32,065,378.92/5,998.66
  6. Step 6: Final answer
    x = 5,345.43

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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.