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Finding the Fourth Proportional to 6,914.72, 9,542.28 and 3,770.90

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Solution

The fourth proportional to 6,914.72, 9,542.28 and 3,770.90 is: 5,203.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,914.72 : 9,542.28 = 3,770.90 : x
  2. Step 2: Convert to fraction form
    6,914.72/9,542.28 = 3,770.90/x
  3. Step 3: Cross multiply
    6,914.72x = 9,542.28 × 3,770.90
  4. Step 4: Simplify right side
    6,914.72x = 35,982,983.65
  5. Step 5: Solve for x
    x = 35,982,983.65/6,914.72
  6. Step 6: Final answer
    x = 5,203.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.