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Finding the Fourth Proportional to 3,584.64, 5,375.70 and 1,393.14

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Solution

The fourth proportional to 3,584.64, 5,375.70 and 1,393.14 is: 2,089.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,584.64 : 5,375.70 = 1,393.14 : x
  2. Step 2: Convert to fraction form
    3,584.64/5,375.70 = 1,393.14/x
  3. Step 3: Cross multiply
    3,584.64x = 5,375.70 × 1,393.14
  4. Step 4: Simplify right side
    3,584.64x = 7,489,102.70
  5. Step 5: Solve for x
    x = 7,489,102.70/3,584.64
  6. Step 6: Final answer
    x = 2,089.22

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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.