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Finding the Fourth Proportional to 16,223.25, 22,388.09 and 8,771.25

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Solution

The fourth proportional to 16,223.25, 22,388.09 and 8,771.25 is: 12,104.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,223.25 : 22,388.09 = 8,771.25 : x
  2. Step 2: Convert to fraction form
    16,223.25/22,388.09 = 8,771.25/x
  3. Step 3: Cross multiply
    16,223.25x = 22,388.09 × 8,771.25
  4. Step 4: Simplify right side
    16,223.25x = 196,371,490.56
  5. Step 5: Solve for x
    x = 196,371,490.56/16,223.25
  6. Step 6: Final answer
    x = 12,104.33

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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.