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Finding the Fourth Proportional to 69,913.94, 104,812.86 and 27,768.02

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Solution

The fourth proportional to 69,913.94, 104,812.86 and 27,768.02 is: 41,628.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,913.94 : 104,812.86 = 27,768.02 : x
  2. Step 2: Convert to fraction form
    69,913.94/104,812.86 = 27,768.02/x
  3. Step 3: Cross multiply
    69,913.94x = 104,812.86 × 27,768.02
  4. Step 4: Simplify right side
    69,913.94x = 2,910,445,592.74
  5. Step 5: Solve for x
    x = 2,910,445,592.74/69,913.94
  6. Step 6: Final answer
    x = 41,628.97

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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.