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Finding the Fourth Proportional to 16,763.12, 25,144.74 and 5,669.90

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Solution

The fourth proportional to 16,763.12, 25,144.74 and 5,669.90 is: 8,504.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,763.12 : 25,144.74 = 5,669.90 : x
  2. Step 2: Convert to fraction form
    16,763.12/25,144.74 = 5,669.90/x
  3. Step 3: Cross multiply
    16,763.12x = 25,144.74 × 5,669.90
  4. Step 4: Simplify right side
    16,763.12x = 142,568,161.33
  5. Step 5: Solve for x
    x = 142,568,161.33/16,763.12
  6. Step 6: Final answer
    x = 8,504.87

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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.