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Finding the Fourth Proportional to 63,512.91, 87,641.51 and 36,664.07

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Solution

The fourth proportional to 63,512.91, 87,641.51 and 36,664.07 is: 50,592.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,512.91 : 87,641.51 = 36,664.07 : x
  2. Step 2: Convert to fraction form
    63,512.91/87,641.51 = 36,664.07/x
  3. Step 3: Cross multiply
    63,512.91x = 87,641.51 × 36,664.07
  4. Step 4: Simplify right side
    63,512.91x = 3,213,294,493.33
  5. Step 5: Solve for x
    x = 3,213,294,493.33/63,512.91
  6. Step 6: Final answer
    x = 50,592.77

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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.