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Finding the Fourth Proportional to 5,917.92, 8,880.48 and 3,321.60

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Solution

The fourth proportional to 5,917.92, 8,880.48 and 3,321.60 is: 4,984.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,917.92 : 8,880.48 = 3,321.60 : x
  2. Step 2: Convert to fraction form
    5,917.92/8,880.48 = 3,321.60/x
  3. Step 3: Cross multiply
    5,917.92x = 8,880.48 × 3,321.60
  4. Step 4: Simplify right side
    5,917.92x = 29,497,402.37
  5. Step 5: Solve for x
    x = 29,497,402.37/5,917.92
  6. Step 6: Final answer
    x = 4,984.42

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.