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Finding the Fourth Proportional to 69,796.10, 104,754.60 and 36,539.43

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Solution

The fourth proportional to 69,796.10, 104,754.60 and 36,539.43 is: 54,840.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,796.10 : 104,754.60 = 36,539.43 : x
  2. Step 2: Convert to fraction form
    69,796.10/104,754.60 = 36,539.43/x
  3. Step 3: Cross multiply
    69,796.10x = 104,754.60 × 36,539.43
  4. Step 4: Simplify right side
    69,796.10x = 3,827,672,981.05
  5. Step 5: Solve for x
    x = 3,827,672,981.05/69,796.10
  6. Step 6: Final answer
    x = 54,840.78

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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.