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Finding the Fourth Proportional to 63,520.72, 87,663.04 and 35,229.04

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Solution

The fourth proportional to 63,520.72, 87,663.04 and 35,229.04 is: 48,618.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,520.72 : 87,663.04 = 35,229.04 : x
  2. Step 2: Convert to fraction form
    63,520.72/87,663.04 = 35,229.04/x
  3. Step 3: Cross multiply
    63,520.72x = 87,663.04 × 35,229.04
  4. Step 4: Simplify right side
    63,520.72x = 3,088,284,742.68
  5. Step 5: Solve for x
    x = 3,088,284,742.68/63,520.72
  6. Step 6: Final answer
    x = 48,618.54

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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.