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Finding the Fourth Proportional to 60,626.72, 90,927.77 and 16,243.09

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Solution

The fourth proportional to 60,626.72, 90,927.77 and 16,243.09 is: 24,361.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,626.72 : 90,927.77 = 16,243.09 : x
  2. Step 2: Convert to fraction form
    60,626.72/90,927.77 = 16,243.09/x
  3. Step 3: Cross multiply
    60,626.72x = 90,927.77 × 16,243.09
  4. Step 4: Simplify right side
    60,626.72x = 1,476,947,809.80
  5. Step 5: Solve for x
    x = 1,476,947,809.80/60,626.72
  6. Step 6: Final answer
    x = 24,361.34

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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.