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Finding the Fourth Proportional to 9,171.93, 13,757.89 and 8,704.46

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Solution

The fourth proportional to 9,171.93, 13,757.89 and 8,704.46 is: 13,056.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,171.93 : 13,757.89 = 8,704.46 : x
  2. Step 2: Convert to fraction form
    9,171.93/13,757.89 = 8,704.46/x
  3. Step 3: Cross multiply
    9,171.93x = 13,757.89 × 8,704.46
  4. Step 4: Simplify right side
    9,171.93x = 119,754,990.56
  5. Step 5: Solve for x
    x = 119,754,990.56/9,171.93
  6. Step 6: Final answer
    x = 13,056.69

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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.