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Finding the Fourth Proportional to 18,105.93, 24,982.83 and 11,651.24

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Solution

The fourth proportional to 18,105.93, 24,982.83 and 11,651.24 is: 16,076.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,105.93 : 24,982.83 = 11,651.24 : x
  2. Step 2: Convert to fraction form
    18,105.93/24,982.83 = 11,651.24/x
  3. Step 3: Cross multiply
    18,105.93x = 24,982.83 × 11,651.24
  4. Step 4: Simplify right side
    18,105.93x = 291,081,010.67
  5. Step 5: Solve for x
    x = 291,081,010.67/18,105.93
  6. Step 6: Final answer
    x = 16,076.56

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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.