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Finding the Fourth Proportional to 7,958.88, 11,939.56 and 2,410.91

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Solution

The fourth proportional to 7,958.88, 11,939.56 and 2,410.91 is: 3,616.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,958.88 : 11,939.56 = 2,410.91 : x
  2. Step 2: Convert to fraction form
    7,958.88/11,939.56 = 2,410.91/x
  3. Step 3: Cross multiply
    7,958.88x = 11,939.56 × 2,410.91
  4. Step 4: Simplify right side
    7,958.88x = 28,785,132.85
  5. Step 5: Solve for x
    x = 28,785,132.85/7,958.88
  6. Step 6: Final answer
    x = 3,616.73

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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.