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Finding the Fourth Proportional to 63,239.50, 87,285.06 and 36,397.51

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Solution

The fourth proportional to 63,239.50, 87,285.06 and 36,397.51 is: 50,236.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,239.50 : 87,285.06 = 36,397.51 : x
  2. Step 2: Convert to fraction form
    63,239.50/87,285.06 = 36,397.51/x
  3. Step 3: Cross multiply
    63,239.50x = 87,285.06 × 36,397.51
  4. Step 4: Simplify right side
    63,239.50x = 3,176,958,844.20
  5. Step 5: Solve for x
    x = 3,176,958,844.20/63,239.50
  6. Step 6: Final answer
    x = 50,236.94

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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.