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Finding the Fourth Proportional to 17,672.67, 26,487.12 and 8,902.80

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Solution

The fourth proportional to 17,672.67, 26,487.12 and 8,902.80 is: 13,343.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,672.67 : 26,487.12 = 8,902.80 : x
  2. Step 2: Convert to fraction form
    17,672.67/26,487.12 = 8,902.80/x
  3. Step 3: Cross multiply
    17,672.67x = 26,487.12 × 8,902.80
  4. Step 4: Simplify right side
    17,672.67x = 235,809,531.94
  5. Step 5: Solve for x
    x = 235,809,531.94/17,672.67
  6. Step 6: Final answer
    x = 13,343.18

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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.