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Finding the Fourth Proportional to 18,592.38, 27,891.47 and 6,747.08

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Solution

The fourth proportional to 18,592.38, 27,891.47 and 6,747.08 is: 10,121.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,592.38 : 27,891.47 = 6,747.08 : x
  2. Step 2: Convert to fraction form
    18,592.38/27,891.47 = 6,747.08/x
  3. Step 3: Cross multiply
    18,592.38x = 27,891.47 × 6,747.08
  4. Step 4: Simplify right side
    18,592.38x = 188,185,856.82
  5. Step 5: Solve for x
    x = 188,185,856.82/18,592.38
  6. Step 6: Final answer
    x = 10,121.67

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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.