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Finding the Fourth Proportional to 63,961.88, 95,942.88 and 23,990

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Solution

The fourth proportional to 63,961.88, 95,942.88 and 23,990 is: 35,985.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,961.88 : 95,942.88 = 23,990 : x
  2. Step 2: Convert to fraction form
    63,961.88/95,942.88 = 23,990/x
  3. Step 3: Cross multiply
    63,961.88x = 95,942.88 × 23,990
  4. Step 4: Simplify right side
    63,961.88x = 2,301,669,691.20
  5. Step 5: Solve for x
    x = 2,301,669,691.20/63,961.88
  6. Step 6: Final answer
    x = 35,985.02

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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.