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Finding the Fourth Proportional to 69,357.78, 104,056.11 and 27,833.94

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Solution

The fourth proportional to 69,357.78, 104,056.11 and 27,833.94 is: 41,758.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,357.78 : 104,056.11 = 27,833.94 : x
  2. Step 2: Convert to fraction form
    69,357.78/104,056.11 = 27,833.94/x
  3. Step 3: Cross multiply
    69,357.78x = 104,056.11 × 27,833.94
  4. Step 4: Simplify right side
    69,357.78x = 2,896,291,522.37
  5. Step 5: Solve for x
    x = 2,896,291,522.37/69,357.78
  6. Step 6: Final answer
    x = 41,758.71

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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.