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Finding the Fourth Proportional to 5,591.97, 8,388.56 and 2,470.64

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Solution

The fourth proportional to 5,591.97, 8,388.56 and 2,470.64 is: 3,706.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,591.97 : 8,388.56 = 2,470.64 : x
  2. Step 2: Convert to fraction form
    5,591.97/8,388.56 = 2,470.64/x
  3. Step 3: Cross multiply
    5,591.97x = 8,388.56 × 2,470.64
  4. Step 4: Simplify right side
    5,591.97x = 20,725,076.11
  5. Step 5: Solve for x
    x = 20,725,076.11/5,591.97
  6. Step 6: Final answer
    x = 3,706.22

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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.