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Finding the Fourth Proportional to 69,574.62, 104,271.21 and 27,998.94

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Solution

The fourth proportional to 69,574.62, 104,271.21 and 27,998.94 is: 41,961.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,574.62 : 104,271.21 = 27,998.94 : x
  2. Step 2: Convert to fraction form
    69,574.62/104,271.21 = 27,998.94/x
  3. Step 3: Cross multiply
    69,574.62x = 104,271.21 × 27,998.94
  4. Step 4: Simplify right side
    69,574.62x = 2,919,483,352.52
  5. Step 5: Solve for x
    x = 2,919,483,352.52/69,574.62
  6. Step 6: Final answer
    x = 41,961.90

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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.