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Finding the Fourth Proportional to 5,997.75, 8,999.87 and 2,919.75

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Solution

The fourth proportional to 5,997.75, 8,999.87 and 2,919.75 is: 4,381.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,997.75 : 8,999.87 = 2,919.75 : x
  2. Step 2: Convert to fraction form
    5,997.75/8,999.87 = 2,919.75/x
  3. Step 3: Cross multiply
    5,997.75x = 8,999.87 × 2,919.75
  4. Step 4: Simplify right side
    5,997.75x = 26,277,355.83
  5. Step 5: Solve for x
    x = 26,277,355.83/5,997.75
  6. Step 6: Final answer
    x = 4,381.20

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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.