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Finding the Fourth Proportional to 4,965.18, 7,443.45 and 2,497.92

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Solution

The fourth proportional to 4,965.18, 7,443.45 and 2,497.92 is: 3,744.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,965.18 : 7,443.45 = 2,497.92 : x
  2. Step 2: Convert to fraction form
    4,965.18/7,443.45 = 2,497.92/x
  3. Step 3: Cross multiply
    4,965.18x = 7,443.45 × 2,497.92
  4. Step 4: Simplify right side
    4,965.18x = 18,593,142.62
  5. Step 5: Solve for x
    x = 18,593,142.62/4,965.18
  6. Step 6: Final answer
    x = 3,744.71

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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.