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Finding the Fourth Proportional to 65,245.08, 90,045.18 and 36,951.96

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Solution

The fourth proportional to 65,245.08, 90,045.18 and 36,951.96 is: 50,997.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,245.08 : 90,045.18 = 36,951.96 : x
  2. Step 2: Convert to fraction form
    65,245.08/90,045.18 = 36,951.96/x
  3. Step 3: Cross multiply
    65,245.08x = 90,045.18 × 36,951.96
  4. Step 4: Simplify right side
    65,245.08x = 3,327,345,889.55
  5. Step 5: Solve for x
    x = 3,327,345,889.55/65,245.08
  6. Step 6: Final answer
    x = 50,997.65

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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.