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Finding the Fourth Proportional to 5,991.12, 8,984.04 and 3,216.96

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Solution

The fourth proportional to 5,991.12, 8,984.04 and 3,216.96 is: 4,824.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,991.12 : 8,984.04 = 3,216.96 : x
  2. Step 2: Convert to fraction form
    5,991.12/8,984.04 = 3,216.96/x
  3. Step 3: Cross multiply
    5,991.12x = 8,984.04 × 3,216.96
  4. Step 4: Simplify right side
    5,991.12x = 28,901,297.32
  5. Step 5: Solve for x
    x = 28,901,297.32/5,991.12
  6. Step 6: Final answer
    x = 4,824.02

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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.