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Finding the Fourth Proportional to 5,997.39, 8,998.67 and 3,220.81

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Solution

The fourth proportional to 5,997.39, 8,998.67 and 3,220.81 is: 4,832.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,997.39 : 8,998.67 = 3,220.81 : x
  2. Step 2: Convert to fraction form
    5,997.39/8,998.67 = 3,220.81/x
  3. Step 3: Cross multiply
    5,997.39x = 8,998.67 × 3,220.81
  4. Step 4: Simplify right side
    5,997.39x = 28,983,006.32
  5. Step 5: Solve for x
    x = 28,983,006.32/5,997.39
  6. Step 6: Final answer
    x = 4,832.60

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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.