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Finding the Fourth Proportional to 5,880.96, 8,822.40 and 3,911.04

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Solution

The fourth proportional to 5,880.96, 8,822.40 and 3,911.04 is: 5,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,880.96 : 8,822.40 = 3,911.04 : x
  2. Step 2: Convert to fraction form
    5,880.96/8,822.40 = 3,911.04/x
  3. Step 3: Cross multiply
    5,880.96x = 8,822.40 × 3,911.04
  4. Step 4: Simplify right side
    5,880.96x = 34,504,759.30
  5. Step 5: Solve for x
    x = 34,504,759.30/5,880.96
  6. Step 6: Final answer
    x = 5,867.20

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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.