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Finding the Fourth Proportional to 2,236.08, 3,354.70 and 676.06

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Solution

The fourth proportional to 2,236.08, 3,354.70 and 676.06 is: 1,014.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.08 : 3,354.70 = 676.06 : x
  2. Step 2: Convert to fraction form
    2,236.08/3,354.70 = 676.06/x
  3. Step 3: Cross multiply
    2,236.08x = 3,354.70 × 676.06
  4. Step 4: Simplify right side
    2,236.08x = 2,267,978.48
  5. Step 5: Solve for x
    x = 2,267,978.48/2,236.08
  6. Step 6: Final answer
    x = 1,014.27

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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.