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Finding the Fourth Proportional to 68,463, 94,481.04 and 38,249.64

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Solution

The fourth proportional to 68,463, 94,481.04 and 38,249.64 is: 52,785.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,463 : 94,481.04 = 38,249.64 : x
  2. Step 2: Convert to fraction form
    68,463/94,481.04 = 38,249.64/x
  3. Step 3: Cross multiply
    68,463x = 94,481.04 × 38,249.64
  4. Step 4: Simplify right side
    68,463x = 3,613,865,766.83
  5. Step 5: Solve for x
    x = 3,613,865,766.83/68,463
  6. Step 6: Final answer
    x = 52,785.68

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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.