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Finding the Fourth Proportional to 5,996.80, 8,992.72 and 2,100.28

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Solution

The fourth proportional to 5,996.80, 8,992.72 and 2,100.28 is: 3,149.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,996.80 : 8,992.72 = 2,100.28 : x
  2. Step 2: Convert to fraction form
    5,996.80/8,992.72 = 2,100.28/x
  3. Step 3: Cross multiply
    5,996.80x = 8,992.72 × 2,100.28
  4. Step 4: Simplify right side
    5,996.80x = 18,887,229.96
  5. Step 5: Solve for x
    x = 18,887,229.96/5,996.80
  6. Step 6: Final answer
    x = 3,149.55

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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.