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Finding the Fourth Proportional to 2,936.22, 4,404.44 and 1,087.80

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Solution

The fourth proportional to 2,936.22, 4,404.44 and 1,087.80 is: 1,631.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936.22 : 4,404.44 = 1,087.80 : x
  2. Step 2: Convert to fraction form
    2,936.22/4,404.44 = 1,087.80/x
  3. Step 3: Cross multiply
    2,936.22x = 4,404.44 × 1,087.80
  4. Step 4: Simplify right side
    2,936.22x = 4,791,149.83
  5. Step 5: Solve for x
    x = 4,791,149.83/2,936.22
  6. Step 6: Final answer
    x = 1,631.74

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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.