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Finding the Fourth Proportional to 18,553.39, 27,832.68 and 6,074.39

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Solution

The fourth proportional to 18,553.39, 27,832.68 and 6,074.39 is: 9,112.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,553.39 : 27,832.68 = 6,074.39 : x
  2. Step 2: Convert to fraction form
    18,553.39/27,832.68 = 6,074.39/x
  3. Step 3: Cross multiply
    18,553.39x = 27,832.68 × 6,074.39
  4. Step 4: Simplify right side
    18,553.39x = 169,066,553.07
  5. Step 5: Solve for x
    x = 169,066,553.07/18,553.39
  6. Step 6: Final answer
    x = 9,112.43

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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.