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Finding the Fourth Proportional to 63,730.83, 87,945.13 and 36,873.78

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Solution

The fourth proportional to 63,730.83, 87,945.13 and 36,873.78 is: 50,883.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,730.83 : 87,945.13 = 36,873.78 : x
  2. Step 2: Convert to fraction form
    63,730.83/87,945.13 = 36,873.78/x
  3. Step 3: Cross multiply
    63,730.83x = 87,945.13 × 36,873.78
  4. Step 4: Simplify right side
    63,730.83x = 3,242,869,375.69
  5. Step 5: Solve for x
    x = 3,242,869,375.69/63,730.83
  6. Step 6: Final answer
    x = 50,883.84

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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.