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Finding the Fourth Proportional to 69,381, 95,745.60 and 37,549.90

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Solution

The fourth proportional to 69,381, 95,745.60 and 37,549.90 is: 51,818.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,381 : 95,745.60 = 37,549.90 : x
  2. Step 2: Convert to fraction form
    69,381/95,745.60 = 37,549.90/x
  3. Step 3: Cross multiply
    69,381x = 95,745.60 × 37,549.90
  4. Step 4: Simplify right side
    69,381x = 3,595,237,705.44
  5. Step 5: Solve for x
    x = 3,595,237,705.44/69,381
  6. Step 6: Final answer
    x = 51,818.76

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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.