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Finding the Fourth Proportional to 18,229.25, 27,333.45 and 10,838.88

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Solution

The fourth proportional to 18,229.25, 27,333.45 and 10,838.88 is: 16,252.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,229.25 : 27,333.45 = 10,838.88 : x
  2. Step 2: Convert to fraction form
    18,229.25/27,333.45 = 10,838.88/x
  3. Step 3: Cross multiply
    18,229.25x = 27,333.45 × 10,838.88
  4. Step 4: Simplify right side
    18,229.25x = 296,263,984.54
  5. Step 5: Solve for x
    x = 296,263,984.54/18,229.25
  6. Step 6: Final answer
    x = 16,252.12

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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.