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Finding the Fourth Proportional to 18,614.52, 27,914.44 and 7,519.12

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Solution

The fourth proportional to 18,614.52, 27,914.44 and 7,519.12 is: 11,275.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,614.52 : 27,914.44 = 7,519.12 : x
  2. Step 2: Convert to fraction form
    18,614.52/27,914.44 = 7,519.12/x
  3. Step 3: Cross multiply
    18,614.52x = 27,914.44 × 7,519.12
  4. Step 4: Simplify right side
    18,614.52x = 209,892,024.09
  5. Step 5: Solve for x
    x = 209,892,024.09/18,614.52
  6. Step 6: Final answer
    x = 11,275.72

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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.