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Finding the Fourth Proportional to 48,706.41, 73,067.31 and 20,626.64

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Solution

The fourth proportional to 48,706.41, 73,067.31 and 20,626.64 is: 30,943.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,706.41 : 73,067.31 = 20,626.64 : x
  2. Step 2: Convert to fraction form
    48,706.41/73,067.31 = 20,626.64/x
  3. Step 3: Cross multiply
    48,706.41x = 73,067.31 × 20,626.64
  4. Step 4: Simplify right side
    48,706.41x = 1,507,132,890.55
  5. Step 5: Solve for x
    x = 1,507,132,890.55/48,706.41
  6. Step 6: Final answer
    x = 30,943.22

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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.