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Finding the Fourth Proportional to 17,864.23, 24,651.02 and 9,906.43

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Solution

The fourth proportional to 17,864.23, 24,651.02 and 9,906.43 is: 13,669.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,864.23 : 24,651.02 = 9,906.43 : x
  2. Step 2: Convert to fraction form
    17,864.23/24,651.02 = 9,906.43/x
  3. Step 3: Cross multiply
    17,864.23x = 24,651.02 × 9,906.43
  4. Step 4: Simplify right side
    17,864.23x = 244,203,431.27
  5. Step 5: Solve for x
    x = 244,203,431.27/17,864.23
  6. Step 6: Final answer
    x = 13,669.97

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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.