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Finding the Fourth Proportional to 2,493.98, 3,740.49 and 850.30

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Solution

The fourth proportional to 2,493.98, 3,740.49 and 850.30 is: 1,275.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,493.98 : 3,740.49 = 850.30 : x
  2. Step 2: Convert to fraction form
    2,493.98/3,740.49 = 850.30/x
  3. Step 3: Cross multiply
    2,493.98x = 3,740.49 × 850.30
  4. Step 4: Simplify right side
    2,493.98x = 3,180,538.65
  5. Step 5: Solve for x
    x = 3,180,538.65/2,493.98
  6. Step 6: Final answer
    x = 1,275.29

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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.