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Finding the Fourth Proportional to 2,497.74, 3,447.36 and 1,553.96

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Solution

The fourth proportional to 2,497.74, 3,447.36 and 1,553.96 is: 2,144.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,497.74 : 3,447.36 = 1,553.96 : x
  2. Step 2: Convert to fraction form
    2,497.74/3,447.36 = 1,553.96/x
  3. Step 3: Cross multiply
    2,497.74x = 3,447.36 × 1,553.96
  4. Step 4: Simplify right side
    2,497.74x = 5,357,059.55
  5. Step 5: Solve for x
    x = 5,357,059.55/2,497.74
  6. Step 6: Final answer
    x = 2,144.76

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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.