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Finding the Fourth Proportional to 9,591, 13,236.12 and 5,399.52

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Solution

The fourth proportional to 9,591, 13,236.12 and 5,399.52 is: 7,451.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,591 : 13,236.12 = 5,399.52 : x
  2. Step 2: Convert to fraction form
    9,591/13,236.12 = 5,399.52/x
  3. Step 3: Cross multiply
    9,591x = 13,236.12 × 5,399.52
  4. Step 4: Simplify right side
    9,591x = 71,468,694.66
  5. Step 5: Solve for x
    x = 71,468,694.66/9,591
  6. Step 6: Final answer
    x = 7,451.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.