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Finding the Fourth Proportional to 63,286.86, 87,333.36 and 34,992.54

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Solution

The fourth proportional to 63,286.86, 87,333.36 and 34,992.54 is: 48,288.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,286.86 : 87,333.36 = 34,992.54 : x
  2. Step 2: Convert to fraction form
    63,286.86/87,333.36 = 34,992.54/x
  3. Step 3: Cross multiply
    63,286.86x = 87,333.36 × 34,992.54
  4. Step 4: Simplify right side
    63,286.86x = 3,056,016,093.13
  5. Step 5: Solve for x
    x = 3,056,016,093.13/63,286.86
  6. Step 6: Final answer
    x = 48,288.32

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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.