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Finding the Fourth Proportional to 18,049.47, 27,063.81 and 6,954.73

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Solution

The fourth proportional to 18,049.47, 27,063.81 and 6,954.73 is: 10,428.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,049.47 : 27,063.81 = 6,954.73 : x
  2. Step 2: Convert to fraction form
    18,049.47/27,063.81 = 6,954.73/x
  3. Step 3: Cross multiply
    18,049.47x = 27,063.81 × 6,954.73
  4. Step 4: Simplify right side
    18,049.47x = 188,221,423.66
  5. Step 5: Solve for x
    x = 188,221,423.66/18,049.47
  6. Step 6: Final answer
    x = 10,428.09

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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.