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Finding the Fourth Proportional to 17,361.80, 26,040.06 and 5,675

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Solution

The fourth proportional to 17,361.80, 26,040.06 and 5,675 is: 8,511.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,361.80 : 26,040.06 = 5,675 : x
  2. Step 2: Convert to fraction form
    17,361.80/26,040.06 = 5,675/x
  3. Step 3: Cross multiply
    17,361.80x = 26,040.06 × 5,675
  4. Step 4: Simplify right side
    17,361.80x = 147,777,340.50
  5. Step 5: Solve for x
    x = 147,777,340.50/17,361.80
  6. Step 6: Final answer
    x = 8,511.64

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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.