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Finding the Fourth Proportional to 18,563.82, 27,839.25 and 7,467.63

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Solution

The fourth proportional to 18,563.82, 27,839.25 and 7,467.63 is: 11,198.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,563.82 : 27,839.25 = 7,467.63 : x
  2. Step 2: Convert to fraction form
    18,563.82/27,839.25 = 7,467.63/x
  3. Step 3: Cross multiply
    18,563.82x = 27,839.25 × 7,467.63
  4. Step 4: Simplify right side
    18,563.82x = 207,893,288.08
  5. Step 5: Solve for x
    x = 207,893,288.08/18,563.82
  6. Step 6: Final answer
    x = 11,198.84

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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.