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Finding the Fourth Proportional to 5,991.20, 8,984.40 and 2,093.60

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Solution

The fourth proportional to 5,991.20, 8,984.40 and 2,093.60 is: 3,139.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,991.20 : 8,984.40 = 2,093.60 : x
  2. Step 2: Convert to fraction form
    5,991.20/8,984.40 = 2,093.60/x
  3. Step 3: Cross multiply
    5,991.20x = 8,984.40 × 2,093.60
  4. Step 4: Simplify right side
    5,991.20x = 18,809,739.84
  5. Step 5: Solve for x
    x = 18,809,739.84/5,991.20
  6. Step 6: Final answer
    x = 3,139.56

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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.