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Finding the Fourth Proportional to 7,392.62, 11,086.16 and 3,443.24

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Solution

The fourth proportional to 7,392.62, 11,086.16 and 3,443.24 is: 5,163.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392.62 : 11,086.16 = 3,443.24 : x
  2. Step 2: Convert to fraction form
    7,392.62/11,086.16 = 3,443.24/x
  3. Step 3: Cross multiply
    7,392.62x = 11,086.16 × 3,443.24
  4. Step 4: Simplify right side
    7,392.62x = 38,172,236.91
  5. Step 5: Solve for x
    x = 38,172,236.91/7,392.62
  6. Step 6: Final answer
    x = 5,163.56

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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.