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Finding the Fourth Proportional to 68,311.44, 94,269.72 and 38,099.44

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Solution

The fourth proportional to 68,311.44, 94,269.72 and 38,099.44 is: 52,577.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,311.44 : 94,269.72 = 38,099.44 : x
  2. Step 2: Convert to fraction form
    68,311.44/94,269.72 = 38,099.44/x
  3. Step 3: Cross multiply
    68,311.44x = 94,269.72 × 38,099.44
  4. Step 4: Simplify right side
    68,311.44x = 3,591,623,540.96
  5. Step 5: Solve for x
    x = 3,591,623,540.96/68,311.44
  6. Step 6: Final answer
    x = 52,577.19

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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.