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Finding the Fourth Proportional to 9,481.44, 14,215.44 and 3,636.96

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Solution

The fourth proportional to 9,481.44, 14,215.44 and 3,636.96 is: 5,452.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,481.44 : 14,215.44 = 3,636.96 : x
  2. Step 2: Convert to fraction form
    9,481.44/14,215.44 = 3,636.96/x
  3. Step 3: Cross multiply
    9,481.44x = 14,215.44 × 3,636.96
  4. Step 4: Simplify right side
    9,481.44x = 51,700,986.66
  5. Step 5: Solve for x
    x = 51,700,986.66/9,481.44
  6. Step 6: Final answer
    x = 5,452.86

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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.