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Finding the Fourth Proportional to 68,464.85, 94,472.15 and 38,246.44

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Solution

The fourth proportional to 68,464.85, 94,472.15 and 38,246.44 is: 52,774.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,464.85 : 94,472.15 = 38,246.44 : x
  2. Step 2: Convert to fraction form
    68,464.85/94,472.15 = 38,246.44/x
  3. Step 3: Cross multiply
    68,464.85x = 94,472.15 × 38,246.44
  4. Step 4: Simplify right side
    68,464.85x = 3,613,222,753.05
  5. Step 5: Solve for x
    x = 3,613,222,753.05/68,464.85
  6. Step 6: Final answer
    x = 52,774.86

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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.