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Finding the Fourth Proportional to 1,633.62, 2,450.67 and 537.72

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Solution

The fourth proportional to 1,633.62, 2,450.67 and 537.72 is: 806.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,633.62 : 2,450.67 = 537.72 : x
  2. Step 2: Convert to fraction form
    1,633.62/2,450.67 = 537.72/x
  3. Step 3: Cross multiply
    1,633.62x = 2,450.67 × 537.72
  4. Step 4: Simplify right side
    1,633.62x = 1,317,774.27
  5. Step 5: Solve for x
    x = 1,317,774.27/1,633.62
  6. Step 6: Final answer
    x = 806.66

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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.