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Finding the Fourth Proportional to 18,634.44, 27,952.73 and 7,540.88

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Solution

The fourth proportional to 18,634.44, 27,952.73 and 7,540.88 is: 11,311.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,634.44 : 27,952.73 = 7,540.88 : x
  2. Step 2: Convert to fraction form
    18,634.44/27,952.73 = 7,540.88/x
  3. Step 3: Cross multiply
    18,634.44x = 27,952.73 × 7,540.88
  4. Step 4: Simplify right side
    18,634.44x = 210,788,005.13
  5. Step 5: Solve for x
    x = 210,788,005.13/18,634.44
  6. Step 6: Final answer
    x = 11,311.74

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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.