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Finding the Fourth Proportional to 63,676.02, 87,871.16 and 35,380.98

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Solution

The fourth proportional to 63,676.02, 87,871.16 and 35,380.98 is: 48,824.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,676.02 : 87,871.16 = 35,380.98 : x
  2. Step 2: Convert to fraction form
    63,676.02/87,871.16 = 35,380.98/x
  3. Step 3: Cross multiply
    63,676.02x = 87,871.16 × 35,380.98
  4. Step 4: Simplify right side
    63,676.02x = 3,108,967,754.54
  5. Step 5: Solve for x
    x = 3,108,967,754.54/63,676.02
  6. Step 6: Final answer
    x = 48,824.78

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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.