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Finding the Fourth Proportional to 4,996.55, 7,489.80 and 3,349.31

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Solution

The fourth proportional to 4,996.55, 7,489.80 and 3,349.31 is: 5,020.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,996.55 : 7,489.80 = 3,349.31 : x
  2. Step 2: Convert to fraction form
    4,996.55/7,489.80 = 3,349.31/x
  3. Step 3: Cross multiply
    4,996.55x = 7,489.80 × 3,349.31
  4. Step 4: Simplify right side
    4,996.55x = 25,085,624.59
  5. Step 5: Solve for x
    x = 25,085,624.59/4,996.55
  6. Step 6: Final answer
    x = 5,020.59

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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.