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Finding the Fourth Proportional to 17,910.89, 24,716.97 and 9,953.09

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Solution

The fourth proportional to 17,910.89, 24,716.97 and 9,953.09 is: 13,735.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,910.89 : 24,716.97 = 9,953.09 : x
  2. Step 2: Convert to fraction form
    17,910.89/24,716.97 = 9,953.09/x
  3. Step 3: Cross multiply
    17,910.89x = 24,716.97 × 9,953.09
  4. Step 4: Simplify right side
    17,910.89x = 246,010,226.94
  5. Step 5: Solve for x
    x = 246,010,226.94/17,910.89
  6. Step 6: Final answer
    x = 13,735.23

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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.