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Finding the Fourth Proportional to 63,738.38, 87,954.15 and 35,441.66

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Solution

The fourth proportional to 63,738.38, 87,954.15 and 35,441.66 is: 48,906.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,738.38 : 87,954.15 = 35,441.66 : x
  2. Step 2: Convert to fraction form
    63,738.38/87,954.15 = 35,441.66/x
  3. Step 3: Cross multiply
    63,738.38x = 87,954.15 × 35,441.66
  4. Step 4: Simplify right side
    63,738.38x = 3,117,241,079.89
  5. Step 5: Solve for x
    x = 3,117,241,079.89/63,738.38
  6. Step 6: Final answer
    x = 48,906.81

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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.