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Finding the Fourth Proportional to 6,650.81, 9,976.15 and 2,546.81

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Solution

The fourth proportional to 6,650.81, 9,976.15 and 2,546.81 is: 3,820.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,650.81 : 9,976.15 = 2,546.81 : x
  2. Step 2: Convert to fraction form
    6,650.81/9,976.15 = 2,546.81/x
  3. Step 3: Cross multiply
    6,650.81x = 9,976.15 × 2,546.81
  4. Step 4: Simplify right side
    6,650.81x = 25,407,358.58
  5. Step 5: Solve for x
    x = 25,407,358.58/6,650.81
  6. Step 6: Final answer
    x = 3,820.19

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1.5x scale

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.