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Finding the Fourth Proportional to 4,918.33, 7,372.68 and 2,722.42

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Solution

The fourth proportional to 4,918.33, 7,372.68 and 2,722.42 is: 4,080.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.33 : 7,372.68 = 2,722.42 : x
  2. Step 2: Convert to fraction form
    4,918.33/7,372.68 = 2,722.42/x
  3. Step 3: Cross multiply
    4,918.33x = 7,372.68 × 2,722.42
  4. Step 4: Simplify right side
    4,918.33x = 20,071,531.49
  5. Step 5: Solve for x
    x = 20,071,531.49/4,918.33
  6. Step 6: Final answer
    x = 4,080.96

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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.