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Finding the Fourth Proportional to 6,145.66, 8,481.42 and 3,493.27

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Solution

The fourth proportional to 6,145.66, 8,481.42 and 3,493.27 is: 4,820.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145.66 : 8,481.42 = 3,493.27 : x
  2. Step 2: Convert to fraction form
    6,145.66/8,481.42 = 3,493.27/x
  3. Step 3: Cross multiply
    6,145.66x = 8,481.42 × 3,493.27
  4. Step 4: Simplify right side
    6,145.66x = 29,627,890.04
  5. Step 5: Solve for x
    x = 29,627,890.04/6,145.66
  6. Step 6: Final answer
    x = 4,820.95

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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.