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Finding the Fourth Proportional to 63,897.80, 95,961.90 and 61,824.20

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Solution

The fourth proportional to 63,897.80, 95,961.90 and 61,824.20 is: 92,847.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,897.80 : 95,961.90 = 61,824.20 : x
  2. Step 2: Convert to fraction form
    63,897.80/95,961.90 = 61,824.20/x
  3. Step 3: Cross multiply
    63,897.80x = 95,961.90 × 61,824.20
  4. Step 4: Simplify right side
    63,897.80x = 5,932,767,697.98
  5. Step 5: Solve for x
    x = 5,932,767,697.98/63,897.80
  6. Step 6: Final answer
    x = 92,847.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.