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Finding the Fourth Proportional to 4,960.86, 6,845.96 and 2,722.68

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Solution

The fourth proportional to 4,960.86, 6,845.96 and 2,722.68 is: 3,757.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,960.86 : 6,845.96 = 2,722.68 : x
  2. Step 2: Convert to fraction form
    4,960.86/6,845.96 = 2,722.68/x
  3. Step 3: Cross multiply
    4,960.86x = 6,845.96 × 2,722.68
  4. Step 4: Simplify right side
    4,960.86x = 18,639,358.37
  5. Step 5: Solve for x
    x = 18,639,358.37/4,960.86
  6. Step 6: Final answer
    x = 3,757.28

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1.5x scale

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.