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Finding the Fourth Proportional to 63,240.50, 87,286.44 and 36,398.51

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Solution

The fourth proportional to 63,240.50, 87,286.44 and 36,398.51 is: 50,238.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,240.50 : 87,286.44 = 36,398.51 : x
  2. Step 2: Convert to fraction form
    63,240.50/87,286.44 = 36,398.51/x
  3. Step 3: Cross multiply
    63,240.50x = 87,286.44 × 36,398.51
  4. Step 4: Simplify right side
    63,240.50x = 3,177,096,359.20
  5. Step 5: Solve for x
    x = 3,177,096,359.20/63,240.50
  6. Step 6: Final answer
    x = 50,238.32

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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.