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Finding the Fourth Proportional to 3,999.22, 5,997.98 and 1,076.83

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Solution

The fourth proportional to 3,999.22, 5,997.98 and 1,076.83 is: 1,615.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999.22 : 5,997.98 = 1,076.83 : x
  2. Step 2: Convert to fraction form
    3,999.22/5,997.98 = 1,076.83/x
  3. Step 3: Cross multiply
    3,999.22x = 5,997.98 × 1,076.83
  4. Step 4: Simplify right side
    3,999.22x = 6,458,792.50
  5. Step 5: Solve for x
    x = 6,458,792.50/3,999.22
  6. Step 6: Final answer
    x = 1,615.01

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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.