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Finding the Fourth Proportional to 11,846.92, 17,754.97 and 4,818.75

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Solution

The fourth proportional to 11,846.92, 17,754.97 and 4,818.75 is: 7,221.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,846.92 : 17,754.97 = 4,818.75 : x
  2. Step 2: Convert to fraction form
    11,846.92/17,754.97 = 4,818.75/x
  3. Step 3: Cross multiply
    11,846.92x = 17,754.97 × 4,818.75
  4. Step 4: Simplify right side
    11,846.92x = 85,556,761.69
  5. Step 5: Solve for x
    x = 85,556,761.69/11,846.92
  6. Step 6: Final answer
    x = 7,221.86

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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.