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Finding the Fourth Proportional to 50,718.72, 76,110.72 and 27,361.28

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Solution

The fourth proportional to 50,718.72, 76,110.72 and 27,361.28 is: 41,059.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,718.72 : 76,110.72 = 27,361.28 : x
  2. Step 2: Convert to fraction form
    50,718.72/76,110.72 = 27,361.28/x
  3. Step 3: Cross multiply
    50,718.72x = 76,110.72 × 27,361.28
  4. Step 4: Simplify right side
    50,718.72x = 2,082,486,720.92
  5. Step 5: Solve for x
    x = 2,082,486,720.92/50,718.72
  6. Step 6: Final answer
    x = 41,059.53

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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.