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Finding the Fourth Proportional to 63,732.48, 87,936.32 and 36,874.32

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Solution

The fourth proportional to 63,732.48, 87,936.32 and 36,874.32 is: 50,878.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,732.48 : 87,936.32 = 36,874.32 : x
  2. Step 2: Convert to fraction form
    63,732.48/87,936.32 = 36,874.32/x
  3. Step 3: Cross multiply
    63,732.48x = 87,936.32 × 36,874.32
  4. Step 4: Simplify right side
    63,732.48x = 3,242,592,003.30
  5. Step 5: Solve for x
    x = 3,242,592,003.30/63,732.48
  6. Step 6: Final answer
    x = 50,878.17

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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.