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Finding the Fourth Proportional to 17,480.21, 26,229.42 and 6,947.98

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Solution

The fourth proportional to 17,480.21, 26,229.42 and 6,947.98 is: 10,425.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,480.21 : 26,229.42 = 6,947.98 : x
  2. Step 2: Convert to fraction form
    17,480.21/26,229.42 = 6,947.98/x
  3. Step 3: Cross multiply
    17,480.21x = 26,229.42 × 6,947.98
  4. Step 4: Simplify right side
    17,480.21x = 182,241,420.00
  5. Step 5: Solve for x
    x = 182,241,420.00/17,480.21
  6. Step 6: Final answer
    x = 10,425.59

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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.