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Finding the Fourth Proportional to 18,644.91, 27,950.76 and 6,796.46

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Solution

The fourth proportional to 18,644.91, 27,950.76 and 6,796.46 is: 10,188.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,644.91 : 27,950.76 = 6,796.46 : x
  2. Step 2: Convert to fraction form
    18,644.91/27,950.76 = 6,796.46/x
  3. Step 3: Cross multiply
    18,644.91x = 27,950.76 × 6,796.46
  4. Step 4: Simplify right side
    18,644.91x = 189,966,082.56
  5. Step 5: Solve for x
    x = 189,966,082.56/18,644.91
  6. Step 6: Final answer
    x = 10,188.63

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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.