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Finding the Fourth Proportional to 6,101.76, 8,419.86 and 3,449.37

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Solution

The fourth proportional to 6,101.76, 8,419.86 and 3,449.37 is: 4,759.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,101.76 : 8,419.86 = 3,449.37 : x
  2. Step 2: Convert to fraction form
    6,101.76/8,419.86 = 3,449.37/x
  3. Step 3: Cross multiply
    6,101.76x = 8,419.86 × 3,449.37
  4. Step 4: Simplify right side
    6,101.76x = 29,043,212.49
  5. Step 5: Solve for x
    x = 29,043,212.49/6,101.76
  6. Step 6: Final answer
    x = 4,759.81

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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.