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Finding the Fourth Proportional to 17,321.08, 23,903 and 9,363.23

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Solution

The fourth proportional to 17,321.08, 23,903 and 9,363.23 is: 12,921.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,321.08 : 23,903 = 9,363.23 : x
  2. Step 2: Convert to fraction form
    17,321.08/23,903 = 9,363.23/x
  3. Step 3: Cross multiply
    17,321.08x = 23,903 × 9,363.23
  4. Step 4: Simplify right side
    17,321.08x = 223,809,286.69
  5. Step 5: Solve for x
    x = 223,809,286.69/17,321.08
  6. Step 6: Final answer
    x = 12,921.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.