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Finding the Fourth Proportional to 69,792.75, 96,314.04 and 39,568.41

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Solution

The fourth proportional to 69,792.75, 96,314.04 and 39,568.41 is: 54,604.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,792.75 : 96,314.04 = 39,568.41 : x
  2. Step 2: Convert to fraction form
    69,792.75/96,314.04 = 39,568.41/x
  3. Step 3: Cross multiply
    69,792.75x = 96,314.04 × 39,568.41
  4. Step 4: Simplify right side
    69,792.75x = 3,810,993,423.48
  5. Step 5: Solve for x
    x = 3,810,993,423.48/69,792.75
  6. Step 6: Final answer
    x = 54,604.43

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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.