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Finding the Fourth Proportional to 17,864.64, 24,654 and 9,906.33

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Solution

The fourth proportional to 17,864.64, 24,654 and 9,906.33 is: 13,671.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,864.64 : 24,654 = 9,906.33 : x
  2. Step 2: Convert to fraction form
    17,864.64/24,654 = 9,906.33/x
  3. Step 3: Cross multiply
    17,864.64x = 24,654 × 9,906.33
  4. Step 4: Simplify right side
    17,864.64x = 244,230,659.82
  5. Step 5: Solve for x
    x = 244,230,659.82/17,864.64
  6. Step 6: Final answer
    x = 13,671.18

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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.