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Finding the Fourth Proportional to 2,236.67, 3,354.25 and 775.49

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Solution

The fourth proportional to 2,236.67, 3,354.25 and 775.49 is: 1,162.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.67 : 3,354.25 = 775.49 : x
  2. Step 2: Convert to fraction form
    2,236.67/3,354.25 = 775.49/x
  3. Step 3: Cross multiply
    2,236.67x = 3,354.25 × 775.49
  4. Step 4: Simplify right side
    2,236.67x = 2,601,187.33
  5. Step 5: Solve for x
    x = 2,601,187.33/2,236.67
  6. Step 6: Final answer
    x = 1,162.97

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1.5x scale

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.