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Finding the Fourth Proportional to 64,469.76, 96,704.18 and 35,074.45

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Solution

The fourth proportional to 64,469.76, 96,704.18 and 35,074.45 is: 52,611.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,469.76 : 96,704.18 = 35,074.45 : x
  2. Step 2: Convert to fraction form
    64,469.76/96,704.18 = 35,074.45/x
  3. Step 3: Cross multiply
    64,469.76x = 96,704.18 × 35,074.45
  4. Step 4: Simplify right side
    64,469.76x = 3,391,846,003.24
  5. Step 5: Solve for x
    x = 3,391,846,003.24/64,469.76
  6. Step 6: Final answer
    x = 52,611.43

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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.