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Finding the Fourth Proportional to 3,939.98, 5,914.08 and 1,750.26

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Solution

The fourth proportional to 3,939.98, 5,914.08 and 1,750.26 is: 2,627.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939.98 : 5,914.08 = 1,750.26 : x
  2. Step 2: Convert to fraction form
    3,939.98/5,914.08 = 1,750.26/x
  3. Step 3: Cross multiply
    3,939.98x = 5,914.08 × 1,750.26
  4. Step 4: Simplify right side
    3,939.98x = 10,351,177.66
  5. Step 5: Solve for x
    x = 10,351,177.66/3,939.98
  6. Step 6: Final answer
    x = 2,627.22

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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.