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Finding the Fourth Proportional to 69,797.75, 104,731.22 and 27,676.93

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Solution

The fourth proportional to 69,797.75, 104,731.22 and 27,676.93 is: 41,529.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,797.75 : 104,731.22 = 27,676.93 : x
  2. Step 2: Convert to fraction form
    69,797.75/104,731.22 = 27,676.93/x
  3. Step 3: Cross multiply
    69,797.75x = 104,731.22 × 27,676.93
  4. Step 4: Simplify right side
    69,797.75x = 2,898,637,982.71
  5. Step 5: Solve for x
    x = 2,898,637,982.71/69,797.75
  6. Step 6: Final answer
    x = 41,529.11

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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.