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Finding the Fourth Proportional to 68,462.85, 94,469.39 and 38,244.44

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Solution

The fourth proportional to 68,462.85, 94,469.39 and 38,244.44 is: 52,772.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,462.85 : 94,469.39 = 38,244.44 : x
  2. Step 2: Convert to fraction form
    68,462.85/94,469.39 = 38,244.44/x
  3. Step 3: Cross multiply
    68,462.85x = 94,469.39 × 38,244.44
  4. Step 4: Simplify right side
    68,462.85x = 3,612,928,254.12
  5. Step 5: Solve for x
    x = 3,612,928,254.12/68,462.85
  6. Step 6: Final answer
    x = 52,772.10

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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.