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Finding the Fourth Proportional to 18,324.84, 27,468.80 and 7,227.24

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Solution

The fourth proportional to 18,324.84, 27,468.80 and 7,227.24 is: 10,833.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,324.84 : 27,468.80 = 7,227.24 : x
  2. Step 2: Convert to fraction form
    18,324.84/27,468.80 = 7,227.24/x
  3. Step 3: Cross multiply
    18,324.84x = 27,468.80 × 7,227.24
  4. Step 4: Simplify right side
    18,324.84x = 198,523,573.98
  5. Step 5: Solve for x
    x = 198,523,573.98/18,324.84
  6. Step 6: Final answer
    x = 10,833.58

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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.