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Finding the Fourth Proportional to 16,620.68, 22,936.36 and 9,066.80

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Solution

The fourth proportional to 16,620.68, 22,936.36 and 9,066.80 is: 12,512.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,620.68 : 22,936.36 = 9,066.80 : x
  2. Step 2: Convert to fraction form
    16,620.68/22,936.36 = 9,066.80/x
  3. Step 3: Cross multiply
    16,620.68x = 22,936.36 × 9,066.80
  4. Step 4: Simplify right side
    16,620.68x = 207,959,388.85
  5. Step 5: Solve for x
    x = 207,959,388.85/16,620.68
  6. Step 6: Final answer
    x = 12,512.09

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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.