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Finding the Fourth Proportional to 16,171.90, 24,250.17 and 5,640.64

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Solution

The fourth proportional to 16,171.90, 24,250.17 and 5,640.64 is: 8,458.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,171.90 : 24,250.17 = 5,640.64 : x
  2. Step 2: Convert to fraction form
    16,171.90/24,250.17 = 5,640.64/x
  3. Step 3: Cross multiply
    16,171.90x = 24,250.17 × 5,640.64
  4. Step 4: Simplify right side
    16,171.90x = 136,786,467.98
  5. Step 5: Solve for x
    x = 136,786,467.98/16,171.90
  6. Step 6: Final answer
    x = 8,458.28

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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.