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Finding the Fourth Proportional to 43,651.53, 65,475.96 and 12,063.48

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Solution

The fourth proportional to 43,651.53, 65,475.96 and 12,063.48 is: 18,094.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,651.53 : 65,475.96 = 12,063.48 : x
  2. Step 2: Convert to fraction form
    43,651.53/65,475.96 = 12,063.48/x
  3. Step 3: Cross multiply
    43,651.53x = 65,475.96 × 12,063.48
  4. Step 4: Simplify right side
    43,651.53x = 789,867,933.94
  5. Step 5: Solve for x
    x = 789,867,933.94/43,651.53
  6. Step 6: Final answer
    x = 18,094.85

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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.