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Finding the Fourth Proportional to 18,797.13, 28,162.89 and 16,763.22

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Solution

The fourth proportional to 18,797.13, 28,162.89 and 16,763.22 is: 25,115.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,797.13 : 28,162.89 = 16,763.22 : x
  2. Step 2: Convert to fraction form
    18,797.13/28,162.89 = 16,763.22/x
  3. Step 3: Cross multiply
    18,797.13x = 28,162.89 × 16,763.22
  4. Step 4: Simplify right side
    18,797.13x = 472,100,720.91
  5. Step 5: Solve for x
    x = 472,100,720.91/18,797.13
  6. Step 6: Final answer
    x = 25,115.57

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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.