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Finding the Fourth Proportional to 63,600.60, 95,415.06 and 20,907.96

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Solution

The fourth proportional to 63,600.60, 95,415.06 and 20,907.96 is: 31,366.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,600.60 : 95,415.06 = 20,907.96 : x
  2. Step 2: Convert to fraction form
    63,600.60/95,415.06 = 20,907.96/x
  3. Step 3: Cross multiply
    63,600.60x = 95,415.06 × 20,907.96
  4. Step 4: Simplify right side
    63,600.60x = 1,994,934,257.88
  5. Step 5: Solve for x
    x = 1,994,934,257.88/63,600.60
  6. Step 6: Final answer
    x = 31,366.59

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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.