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Finding the Fourth Proportional to 17,881.44, 24,660.24 and 11,167.68

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Solution

The fourth proportional to 17,881.44, 24,660.24 and 11,167.68 is: 15,401.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,881.44 : 24,660.24 = 11,167.68 : x
  2. Step 2: Convert to fraction form
    17,881.44/24,660.24 = 11,167.68/x
  3. Step 3: Cross multiply
    17,881.44x = 24,660.24 × 11,167.68
  4. Step 4: Simplify right side
    17,881.44x = 275,397,669.04
  5. Step 5: Solve for x
    x = 275,397,669.04/17,881.44
  6. Step 6: Final answer
    x = 15,401.31

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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.