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Finding the Fourth Proportional to 7,481.70, 11,224.21 and 2,217.13

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Solution

The fourth proportional to 7,481.70, 11,224.21 and 2,217.13 is: 3,326.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.70 : 11,224.21 = 2,217.13 : x
  2. Step 2: Convert to fraction form
    7,481.70/11,224.21 = 2,217.13/x
  3. Step 3: Cross multiply
    7,481.70x = 11,224.21 × 2,217.13
  4. Step 4: Simplify right side
    7,481.70x = 24,885,579.07
  5. Step 5: Solve for x
    x = 24,885,579.07/7,481.70
  6. Step 6: Final answer
    x = 3,326.19

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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.