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Finding the Fourth Proportional to 11,552.70, 17,316.90 and 6,611.70

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Solution

The fourth proportional to 11,552.70, 17,316.90 and 6,611.70 is: 9,910.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,552.70 : 17,316.90 = 6,611.70 : x
  2. Step 2: Convert to fraction form
    11,552.70/17,316.90 = 6,611.70/x
  3. Step 3: Cross multiply
    11,552.70x = 17,316.90 × 6,611.70
  4. Step 4: Simplify right side
    11,552.70x = 114,494,147.73
  5. Step 5: Solve for x
    x = 114,494,147.73/11,552.70
  6. Step 6: Final answer
    x = 9,910.60

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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.