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Finding the Fourth Proportional to 2,236.52, 3,354.63 and 676.57

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Solution

The fourth proportional to 2,236.52, 3,354.63 and 676.57 is: 1,014.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.52 : 3,354.63 = 676.57 : x
  2. Step 2: Convert to fraction form
    2,236.52/3,354.63 = 676.57/x
  3. Step 3: Cross multiply
    2,236.52x = 3,354.63 × 676.57
  4. Step 4: Simplify right side
    2,236.52x = 2,269,625.25
  5. Step 5: Solve for x
    x = 2,269,625.25/2,236.52
  6. Step 6: Final answer
    x = 1,014.80

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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.