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Finding the Fourth Proportional to 1,704.67, 2,352.43 and 996.50

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Solution

The fourth proportional to 1,704.67, 2,352.43 and 996.50 is: 1,375.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704.67 : 2,352.43 = 996.50 : x
  2. Step 2: Convert to fraction form
    1,704.67/2,352.43 = 996.50/x
  3. Step 3: Cross multiply
    1,704.67x = 2,352.43 × 996.50
  4. Step 4: Simplify right side
    1,704.67x = 2,344,184.73
  5. Step 5: Solve for x
    x = 2,344,184.73/1,704.67
  6. Step 6: Final answer
    x = 1,375.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.