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Finding the Fourth Proportional to 7,995.66, 11,983.02 and 4,293.56

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Solution

The fourth proportional to 7,995.66, 11,983.02 and 4,293.56 is: 6,434.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,995.66 : 11,983.02 = 4,293.56 : x
  2. Step 2: Convert to fraction form
    7,995.66/11,983.02 = 4,293.56/x
  3. Step 3: Cross multiply
    7,995.66x = 11,983.02 × 4,293.56
  4. Step 4: Simplify right side
    7,995.66x = 51,449,755.44
  5. Step 5: Solve for x
    x = 51,449,755.44/7,995.66
  6. Step 6: Final answer
    x = 6,434.71

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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.