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Finding the Fourth Proportional to 68,473.10, 94,489.44 and 38,252.42

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Solution

The fourth proportional to 68,473.10, 94,489.44 and 38,252.42 is: 52,786.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,473.10 : 94,489.44 = 38,252.42 : x
  2. Step 2: Convert to fraction form
    68,473.10/94,489.44 = 38,252.42/x
  3. Step 3: Cross multiply
    68,473.10x = 94,489.44 × 38,252.42
  4. Step 4: Simplify right side
    68,473.10x = 3,614,449,744.44
  5. Step 5: Solve for x
    x = 3,614,449,744.44/68,473.10
  6. Step 6: Final answer
    x = 52,786.42

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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.