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Finding the Fourth Proportional to 3,722.58, 5,584.79 and 2,080.22

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Solution

The fourth proportional to 3,722.58, 5,584.79 and 2,080.22 is: 3,120.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.58 : 5,584.79 = 2,080.22 : x
  2. Step 2: Convert to fraction form
    3,722.58/5,584.79 = 2,080.22/x
  3. Step 3: Cross multiply
    3,722.58x = 5,584.79 × 2,080.22
  4. Step 4: Simplify right side
    3,722.58x = 11,617,569.13
  5. Step 5: Solve for x
    x = 11,617,569.13/3,722.58
  6. Step 6: Final answer
    x = 3,120.84

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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.