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Finding the Fourth Proportional to 52,704.96, 72,609.68 and 36,760.96

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Solution

The fourth proportional to 52,704.96, 72,609.68 and 36,760.96 is: 50,644.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,704.96 : 72,609.68 = 36,760.96 : x
  2. Step 2: Convert to fraction form
    52,704.96/72,609.68 = 36,760.96/x
  3. Step 3: Cross multiply
    52,704.96x = 72,609.68 × 36,760.96
  4. Step 4: Simplify right side
    52,704.96x = 2,669,201,542.09
  5. Step 5: Solve for x
    x = 2,669,201,542.09/52,704.96
  6. Step 6: Final answer
    x = 50,644.22

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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.