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Finding the Fourth Proportional to 17,757.67, 26,611.12 and 13,040.68

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Solution

The fourth proportional to 17,757.67, 26,611.12 and 13,040.68 is: 19,542.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,757.67 : 26,611.12 = 13,040.68 : x
  2. Step 2: Convert to fraction form
    17,757.67/26,611.12 = 13,040.68/x
  3. Step 3: Cross multiply
    17,757.67x = 26,611.12 × 13,040.68
  4. Step 4: Simplify right side
    17,757.67x = 347,027,100.36
  5. Step 5: Solve for x
    x = 347,027,100.36/17,757.67
  6. Step 6: Final answer
    x = 19,542.38

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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.