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Finding the Fourth Proportional to 18,287.82, 27,378.26 and 16,536.88

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Solution

The fourth proportional to 18,287.82, 27,378.26 and 16,536.88 is: 24,756.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,287.82 : 27,378.26 = 16,536.88 : x
  2. Step 2: Convert to fraction form
    18,287.82/27,378.26 = 16,536.88/x
  3. Step 3: Cross multiply
    18,287.82x = 27,378.26 × 16,536.88
  4. Step 4: Simplify right side
    18,287.82x = 452,751,000.23
  5. Step 5: Solve for x
    x = 452,751,000.23/18,287.82
  6. Step 6: Final answer
    x = 24,756.97

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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.