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Finding the Fourth Proportional to 17,801.26, 26,706.96 and 5,321.80

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Solution

The fourth proportional to 17,801.26, 26,706.96 and 5,321.80 is: 7,984.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,801.26 : 26,706.96 = 5,321.80 : x
  2. Step 2: Convert to fraction form
    17,801.26/26,706.96 = 5,321.80/x
  3. Step 3: Cross multiply
    17,801.26x = 26,706.96 × 5,321.80
  4. Step 4: Simplify right side
    17,801.26x = 142,129,099.73
  5. Step 5: Solve for x
    x = 142,129,099.73/17,801.26
  6. Step 6: Final answer
    x = 7,984.22

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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.