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Finding the Fourth Proportional to 1,633.56, 2,449.72 and 537.63

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Solution

The fourth proportional to 1,633.56, 2,449.72 and 537.63 is: 806.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,633.56 : 2,449.72 = 537.63 : x
  2. Step 2: Convert to fraction form
    1,633.56/2,449.72 = 537.63/x
  3. Step 3: Cross multiply
    1,633.56x = 2,449.72 × 537.63
  4. Step 4: Simplify right side
    1,633.56x = 1,317,042.96
  5. Step 5: Solve for x
    x = 1,317,042.96/1,633.56
  6. Step 6: Final answer
    x = 806.24

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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.