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Finding the Fourth Proportional to 69,615.42, 104,435.02 and 27,473.48

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Solution

The fourth proportional to 69,615.42, 104,435.02 and 27,473.48 is: 41,214.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,615.42 : 104,435.02 = 27,473.48 : x
  2. Step 2: Convert to fraction form
    69,615.42/104,435.02 = 27,473.48/x
  3. Step 3: Cross multiply
    69,615.42x = 104,435.02 × 27,473.48
  4. Step 4: Simplify right side
    69,615.42x = 2,869,193,433.27
  5. Step 5: Solve for x
    x = 2,869,193,433.27/69,615.42
  6. Step 6: Final answer
    x = 41,214.91

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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.