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Finding the Fourth Proportional to 18,063.76, 27,082.68 and 6,961.08

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Solution

The fourth proportional to 18,063.76, 27,082.68 and 6,961.08 is: 10,436.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,063.76 : 27,082.68 = 6,961.08 : x
  2. Step 2: Convert to fraction form
    18,063.76/27,082.68 = 6,961.08/x
  3. Step 3: Cross multiply
    18,063.76x = 27,082.68 × 6,961.08
  4. Step 4: Simplify right side
    18,063.76x = 188,524,702.09
  5. Step 5: Solve for x
    x = 188,524,702.09/18,063.76
  6. Step 6: Final answer
    x = 10,436.63

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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.