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Finding the Fourth Proportional to 69,404.28, 104,125.86 and 27,880.44

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Solution

The fourth proportional to 69,404.28, 104,125.86 and 27,880.44 is: 41,828.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,404.28 : 104,125.86 = 27,880.44 : x
  2. Step 2: Convert to fraction form
    69,404.28/104,125.86 = 27,880.44/x
  3. Step 3: Cross multiply
    69,404.28x = 104,125.86 × 27,880.44
  4. Step 4: Simplify right side
    69,404.28x = 2,903,074,792.18
  5. Step 5: Solve for x
    x = 2,903,074,792.18/69,404.28
  6. Step 6: Final answer
    x = 41,828.47

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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.