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Finding the Fourth Proportional to 5,998.25, 8,999.98 and 3,221.69

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Solution

The fourth proportional to 5,998.25, 8,999.98 and 3,221.69 is: 4,833.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,998.25 : 8,999.98 = 3,221.69 : x
  2. Step 2: Convert to fraction form
    5,998.25/8,999.98 = 3,221.69/x
  3. Step 3: Cross multiply
    5,998.25x = 8,999.98 × 3,221.69
  4. Step 4: Simplify right side
    5,998.25x = 28,995,092.51
  5. Step 5: Solve for x
    x = 28,995,092.51/5,998.25
  6. Step 6: Final answer
    x = 4,833.92

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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.