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Finding the Fourth Proportional to 69,977.46, 104,907.87 and 32,517.80

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Solution

The fourth proportional to 69,977.46, 104,907.87 and 32,517.80 is: 48,749.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,977.46 : 104,907.87 = 32,517.80 : x
  2. Step 2: Convert to fraction form
    69,977.46/104,907.87 = 32,517.80/x
  3. Step 3: Cross multiply
    69,977.46x = 104,907.87 × 32,517.80
  4. Step 4: Simplify right side
    69,977.46x = 3,411,372,610.55
  5. Step 5: Solve for x
    x = 3,411,372,610.55/69,977.46
  6. Step 6: Final answer
    x = 48,749.59

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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.