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Finding the Fourth Proportional to 7,601.31, 11,392.07 and 3,093.11

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Solution

The fourth proportional to 7,601.31, 11,392.07 and 3,093.11 is: 4,635.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,601.31 : 11,392.07 = 3,093.11 : x
  2. Step 2: Convert to fraction form
    7,601.31/11,392.07 = 3,093.11/x
  3. Step 3: Cross multiply
    7,601.31x = 11,392.07 × 3,093.11
  4. Step 4: Simplify right side
    7,601.31x = 35,236,961.85
  5. Step 5: Solve for x
    x = 35,236,961.85/7,601.31
  6. Step 6: Final answer
    x = 4,635.65

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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.