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Finding the Fourth Proportional to 69,395.72, 104,107.98 and 27,845.96

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Solution

The fourth proportional to 69,395.72, 104,107.98 and 27,845.96 is: 41,774.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,395.72 : 104,107.98 = 27,845.96 : x
  2. Step 2: Convert to fraction form
    69,395.72/104,107.98 = 27,845.96/x
  3. Step 3: Cross multiply
    69,395.72x = 104,107.98 × 27,845.96
  4. Step 4: Simplify right side
    69,395.72x = 2,898,986,646.76
  5. Step 5: Solve for x
    x = 2,898,986,646.76/69,395.72
  6. Step 6: Final answer
    x = 41,774.72

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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.