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Finding the Fourth Proportional to 66,232.35, 91,396.94 and 37,939.86

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Solution

The fourth proportional to 66,232.35, 91,396.94 and 37,939.86 is: 52,354.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,232.35 : 91,396.94 = 37,939.86 : x
  2. Step 2: Convert to fraction form
    66,232.35/91,396.94 = 37,939.86/x
  3. Step 3: Cross multiply
    66,232.35x = 91,396.94 × 37,939.86
  4. Step 4: Simplify right side
    66,232.35x = 3,467,586,745.89
  5. Step 5: Solve for x
    x = 3,467,586,745.89/66,232.35
  6. Step 6: Final answer
    x = 52,354.88

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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.