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Finding the Fourth Proportional to 2,234.09, 3,351.69 and 674.06

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Solution

The fourth proportional to 2,234.09, 3,351.69 and 674.06 is: 1,011.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,234.09 : 3,351.69 = 674.06 : x
  2. Step 2: Convert to fraction form
    2,234.09/3,351.69 = 674.06/x
  3. Step 3: Cross multiply
    2,234.09x = 3,351.69 × 674.06
  4. Step 4: Simplify right side
    2,234.09x = 2,259,223.40
  5. Step 5: Solve for x
    x = 2,259,223.40/2,234.09
  6. Step 6: Final answer
    x = 1,011.25

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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.