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Finding the Fourth Proportional to 17,863.73, 24,651.90 and 9,905.75

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Solution

The fourth proportional to 17,863.73, 24,651.90 and 9,905.75 is: 13,669.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,863.73 : 24,651.90 = 9,905.75 : x
  2. Step 2: Convert to fraction form
    17,863.73/24,651.90 = 9,905.75/x
  3. Step 3: Cross multiply
    17,863.73x = 24,651.90 × 9,905.75
  4. Step 4: Simplify right side
    17,863.73x = 244,195,558.43
  5. Step 5: Solve for x
    x = 244,195,558.43/17,863.73
  6. Step 6: Final answer
    x = 13,669.91

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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.