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Finding the Fourth Proportional to 3,744.60, 5,616.60 and 2,824.86

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Solution

The fourth proportional to 3,744.60, 5,616.60 and 2,824.86 is: 4,237.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,744.60 : 5,616.60 = 2,824.86 : x
  2. Step 2: Convert to fraction form
    3,744.60/5,616.60 = 2,824.86/x
  3. Step 3: Cross multiply
    3,744.60x = 5,616.60 × 2,824.86
  4. Step 4: Simplify right side
    3,744.60x = 15,866,108.68
  5. Step 5: Solve for x
    x = 15,866,108.68/3,744.60
  6. Step 6: Final answer
    x = 4,237.06

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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.