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Finding the Fourth Proportional to 7,659.02, 11,491.44 and 3,958.94

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Solution

The fourth proportional to 7,659.02, 11,491.44 and 3,958.94 is: 5,939.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,659.02 : 11,491.44 = 3,958.94 : x
  2. Step 2: Convert to fraction form
    7,659.02/11,491.44 = 3,958.94/x
  3. Step 3: Cross multiply
    7,659.02x = 11,491.44 × 3,958.94
  4. Step 4: Simplify right side
    7,659.02x = 45,493,921.47
  5. Step 5: Solve for x
    x = 45,493,921.47/7,659.02
  6. Step 6: Final answer
    x = 5,939.91

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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.