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Finding the Fourth Proportional to 51,183.57, 76,845.96 and 35,351.40

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Solution

The fourth proportional to 51,183.57, 76,845.96 and 35,351.40 is: 53,075.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,183.57 : 76,845.96 = 35,351.40 : x
  2. Step 2: Convert to fraction form
    51,183.57/76,845.96 = 35,351.40/x
  3. Step 3: Cross multiply
    51,183.57x = 76,845.96 × 35,351.40
  4. Step 4: Simplify right side
    51,183.57x = 2,716,612,270.34
  5. Step 5: Solve for x
    x = 2,716,612,270.34/51,183.57
  6. Step 6: Final answer
    x = 53,075.87

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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.