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Finding the Fourth Proportional to 63,992.75, 96,003.12 and 19,622.96

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Solution

The fourth proportional to 63,992.75, 96,003.12 and 19,622.96 is: 29,438.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,992.75 : 96,003.12 = 19,622.96 : x
  2. Step 2: Convert to fraction form
    63,992.75/96,003.12 = 19,622.96/x
  3. Step 3: Cross multiply
    63,992.75x = 96,003.12 × 19,622.96
  4. Step 4: Simplify right side
    63,992.75x = 1,883,865,383.64
  5. Step 5: Solve for x
    x = 1,883,865,383.64/63,992.75
  6. Step 6: Final answer
    x = 29,438.73

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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.