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Finding the Fourth Proportional to 4,765.74, 7,136.19 and 3,836.22

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Solution

The fourth proportional to 4,765.74, 7,136.19 and 3,836.22 is: 5,744.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,765.74 : 7,136.19 = 3,836.22 : x
  2. Step 2: Convert to fraction form
    4,765.74/7,136.19 = 3,836.22/x
  3. Step 3: Cross multiply
    4,765.74x = 7,136.19 × 3,836.22
  4. Step 4: Simplify right side
    4,765.74x = 27,375,994.80
  5. Step 5: Solve for x
    x = 27,375,994.80/4,765.74
  6. Step 6: Final answer
    x = 5,744.33

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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.