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Finding the Fourth Proportional to 5,997.81, 8,996.81 and 2,102.20

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Solution

The fourth proportional to 5,997.81, 8,996.81 and 2,102.20 is: 3,153.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,997.81 : 8,996.81 = 2,102.20 : x
  2. Step 2: Convert to fraction form
    5,997.81/8,996.81 = 2,102.20/x
  3. Step 3: Cross multiply
    5,997.81x = 8,996.81 × 2,102.20
  4. Step 4: Simplify right side
    5,997.81x = 18,913,093.98
  5. Step 5: Solve for x
    x = 18,913,093.98/5,997.81
  6. Step 6: Final answer
    x = 3,153.33

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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.