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Finding the Fourth Proportional to 69,911.44, 104,880.86 and 27,783.66

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Solution

The fourth proportional to 69,911.44, 104,880.86 and 27,783.66 is: 41,680.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,911.44 : 104,880.86 = 27,783.66 : x
  2. Step 2: Convert to fraction form
    69,911.44/104,880.86 = 27,783.66/x
  3. Step 3: Cross multiply
    69,911.44x = 104,880.86 × 27,783.66
  4. Step 4: Simplify right side
    69,911.44x = 2,913,973,923.37
  5. Step 5: Solve for x
    x = 2,913,973,923.37/69,911.44
  6. Step 6: Final answer
    x = 41,680.93

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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.