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Finding the Fourth Proportional to 2,458.44, 3,687.63 and 997.24

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Solution

The fourth proportional to 2,458.44, 3,687.63 and 997.24 is: 1,495.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.44 : 3,687.63 = 997.24 : x
  2. Step 2: Convert to fraction form
    2,458.44/3,687.63 = 997.24/x
  3. Step 3: Cross multiply
    2,458.44x = 3,687.63 × 997.24
  4. Step 4: Simplify right side
    2,458.44x = 3,677,452.14
  5. Step 5: Solve for x
    x = 3,677,452.14/2,458.44
  6. Step 6: Final answer
    x = 1,495.85

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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.