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Finding the Fourth Proportional to 17,262.41, 25,912.82 and 8,940.20

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Solution

The fourth proportional to 17,262.41, 25,912.82 and 8,940.20 is: 13,420.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,262.41 : 25,912.82 = 8,940.20 : x
  2. Step 2: Convert to fraction form
    17,262.41/25,912.82 = 8,940.20/x
  3. Step 3: Cross multiply
    17,262.41x = 25,912.82 × 8,940.20
  4. Step 4: Simplify right side
    17,262.41x = 231,665,686.15
  5. Step 5: Solve for x
    x = 231,665,686.15/17,262.41
  6. Step 6: Final answer
    x = 13,420.24

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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.