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Finding the Fourth Proportional to 2,231.67, 3,347.43 and 844.59

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Solution

The fourth proportional to 2,231.67, 3,347.43 and 844.59 is: 1,266.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.67 : 3,347.43 = 844.59 : x
  2. Step 2: Convert to fraction form
    2,231.67/3,347.43 = 844.59/x
  3. Step 3: Cross multiply
    2,231.67x = 3,347.43 × 844.59
  4. Step 4: Simplify right side
    2,231.67x = 2,827,205.90
  5. Step 5: Solve for x
    x = 2,827,205.90/2,231.67
  6. Step 6: Final answer
    x = 1,266.86

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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.