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Finding the Fourth Proportional to 63,676.72, 87,873.24 and 35,381.80

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Solution

The fourth proportional to 63,676.72, 87,873.24 and 35,381.80 is: 48,826.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,676.72 : 87,873.24 = 35,381.80 : x
  2. Step 2: Convert to fraction form
    63,676.72/87,873.24 = 35,381.80/x
  3. Step 3: Cross multiply
    63,676.72x = 87,873.24 × 35,381.80
  4. Step 4: Simplify right side
    63,676.72x = 3,109,113,403.03
  5. Step 5: Solve for x
    x = 3,109,113,403.03/63,676.72
  6. Step 6: Final answer
    x = 48,826.53

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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.