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Finding the Fourth Proportional to 11,895.85, 17,843.78 and 7,507.27

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Solution

The fourth proportional to 11,895.85, 17,843.78 and 7,507.27 is: 11,260.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,895.85 : 17,843.78 = 7,507.27 : x
  2. Step 2: Convert to fraction form
    11,895.85/17,843.78 = 7,507.27/x
  3. Step 3: Cross multiply
    11,895.85x = 17,843.78 × 7,507.27
  4. Step 4: Simplify right side
    11,895.85x = 133,958,074.28
  5. Step 5: Solve for x
    x = 133,958,074.28/11,895.85
  6. Step 6: Final answer
    x = 11,260.91

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Similar ratio
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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.