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Finding the Fourth Proportional to 6,120.97, 8,446.11 and 3,468.31

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Solution

The fourth proportional to 6,120.97, 8,446.11 and 3,468.31 is: 4,785.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.97 : 8,446.11 = 3,468.31 : x
  2. Step 2: Convert to fraction form
    6,120.97/8,446.11 = 3,468.31/x
  3. Step 3: Cross multiply
    6,120.97x = 8,446.11 × 3,468.31
  4. Step 4: Simplify right side
    6,120.97x = 29,293,727.77
  5. Step 5: Solve for x
    x = 29,293,727.77/6,120.97
  6. Step 6: Final answer
    x = 4,785.80

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Double scale
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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.