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Finding the Fourth Proportional to 3,299.86, 4,944.55 and 2,680.55

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Solution

The fourth proportional to 3,299.86, 4,944.55 and 2,680.55 is: 4,016.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.86 : 4,944.55 = 2,680.55 : x
  2. Step 2: Convert to fraction form
    3,299.86/4,944.55 = 2,680.55/x
  3. Step 3: Cross multiply
    3,299.86x = 4,944.55 × 2,680.55
  4. Step 4: Simplify right side
    3,299.86x = 13,254,113.50
  5. Step 5: Solve for x
    x = 13,254,113.50/3,299.86
  6. Step 6: Final answer
    x = 4,016.57

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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.