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Finding the Fourth Proportional to 65,093.92, 89,825.36 and 36,408.61

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Solution

The fourth proportional to 65,093.92, 89,825.36 and 36,408.61 is: 50,241.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,093.92 : 89,825.36 = 36,408.61 : x
  2. Step 2: Convert to fraction form
    65,093.92/89,825.36 = 36,408.61/x
  3. Step 3: Cross multiply
    65,093.92x = 89,825.36 × 36,408.61
  4. Step 4: Simplify right side
    65,093.92x = 3,270,416,366.81
  5. Step 5: Solve for x
    x = 3,270,416,366.81/65,093.92
  6. Step 6: Final answer
    x = 50,241.50

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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.