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Finding the Fourth Proportional to 50,944.42, 76,345.44 and 43,408.61

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Solution

The fourth proportional to 50,944.42, 76,345.44 and 43,408.61 is: 65,052.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,944.42 : 76,345.44 = 43,408.61 : x
  2. Step 2: Convert to fraction form
    50,944.42/76,345.44 = 43,408.61/x
  3. Step 3: Cross multiply
    50,944.42x = 76,345.44 × 43,408.61
  4. Step 4: Simplify right side
    50,944.42x = 3,314,049,172.02
  5. Step 5: Solve for x
    x = 3,314,049,172.02/50,944.42
  6. Step 6: Final answer
    x = 65,052.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.