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Finding the Fourth Proportional to 61,922.43, 85,474.76 and 36,771.75

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Solution

The fourth proportional to 61,922.43, 85,474.76 and 36,771.75 is: 50,757.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,922.43 : 85,474.76 = 36,771.75 : x
  2. Step 2: Convert to fraction form
    61,922.43/85,474.76 = 36,771.75/x
  3. Step 3: Cross multiply
    61,922.43x = 85,474.76 × 36,771.75
  4. Step 4: Simplify right side
    61,922.43x = 3,143,056,322.17
  5. Step 5: Solve for x
    x = 3,143,056,322.17/61,922.43
  6. Step 6: Final answer
    x = 50,757.96

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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.