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Finding the Fourth Proportional to 22,608.62, 33,900.63 and 12,090.97

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Solution

The fourth proportional to 22,608.62, 33,900.63 and 12,090.97 is: 18,129.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,608.62 : 33,900.63 = 12,090.97 : x
  2. Step 2: Convert to fraction form
    22,608.62/33,900.63 = 12,090.97/x
  3. Step 3: Cross multiply
    22,608.62x = 33,900.63 × 12,090.97
  4. Step 4: Simplify right side
    22,608.62x = 409,891,497.35
  5. Step 5: Solve for x
    x = 409,891,497.35/22,608.62
  6. Step 6: Final answer
    x = 18,129.88

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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.