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Finding the Fourth Proportional to 16,321.67, 22,529.03 and 9,252.80

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Solution

The fourth proportional to 16,321.67, 22,529.03 and 9,252.80 is: 12,771.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,321.67 : 22,529.03 = 9,252.80 : x
  2. Step 2: Convert to fraction form
    16,321.67/22,529.03 = 9,252.80/x
  3. Step 3: Cross multiply
    16,321.67x = 22,529.03 × 9,252.80
  4. Step 4: Simplify right side
    16,321.67x = 208,456,449.87
  5. Step 5: Solve for x
    x = 208,456,449.87/16,321.67
  6. Step 6: Final answer
    x = 12,771.76

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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.