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Finding the Fourth Proportional to 49,429, 68,212.02 and 27,073.48

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Solution

The fourth proportional to 49,429, 68,212.02 and 27,073.48 is: 37,361.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,429 : 68,212.02 = 27,073.48 : x
  2. Step 2: Convert to fraction form
    49,429/68,212.02 = 27,073.48/x
  3. Step 3: Cross multiply
    49,429x = 68,212.02 × 27,073.48
  4. Step 4: Simplify right side
    49,429x = 1,846,736,759.23
  5. Step 5: Solve for x
    x = 1,846,736,759.23/49,429
  6. Step 6: Final answer
    x = 37,361.40

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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.