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Finding the Fourth Proportional to 18,009.44, 26,983.16 and 16,183.28

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Solution

The fourth proportional to 18,009.44, 26,983.16 and 16,183.28 is: 24,247.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,009.44 : 26,983.16 = 16,183.28 : x
  2. Step 2: Convert to fraction form
    18,009.44/26,983.16 = 16,183.28/x
  3. Step 3: Cross multiply
    18,009.44x = 26,983.16 × 16,183.28
  4. Step 4: Simplify right side
    18,009.44x = 436,676,033.56
  5. Step 5: Solve for x
    x = 436,676,033.56/18,009.44
  6. Step 6: Final answer
    x = 24,247.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.