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Finding the Fourth Proportional to 63,618.72, 87,793.38 and 35,324.34

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Solution

The fourth proportional to 63,618.72, 87,793.38 and 35,324.34 is: 48,747.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,618.72 : 87,793.38 = 35,324.34 : x
  2. Step 2: Convert to fraction form
    63,618.72/87,793.38 = 35,324.34/x
  3. Step 3: Cross multiply
    63,618.72x = 87,793.38 × 35,324.34
  4. Step 4: Simplify right side
    63,618.72x = 3,101,243,204.87
  5. Step 5: Solve for x
    x = 3,101,243,204.87/63,618.72
  6. Step 6: Final answer
    x = 48,747.34

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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.