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Finding the Fourth Proportional to 18,593.93, 27,882.39 and 11,100.89

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Solution

The fourth proportional to 18,593.93, 27,882.39 and 11,100.89 is: 16,646.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,593.93 : 27,882.39 = 11,100.89 : x
  2. Step 2: Convert to fraction form
    18,593.93/27,882.39 = 11,100.89/x
  3. Step 3: Cross multiply
    18,593.93x = 27,882.39 × 11,100.89
  4. Step 4: Simplify right side
    18,593.93x = 309,519,344.33
  5. Step 5: Solve for x
    x = 309,519,344.33/18,593.93
  6. Step 6: Final answer
    x = 16,646.26

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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.