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Finding the Fourth Proportional to 80,426.75, 110,972.45 and 44,609.09

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Solution

The fourth proportional to 80,426.75, 110,972.45 and 44,609.09 is: 61,551.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,426.75 : 110,972.45 = 44,609.09 : x
  2. Step 2: Convert to fraction form
    80,426.75/110,972.45 = 44,609.09/x
  3. Step 3: Cross multiply
    80,426.75x = 110,972.45 × 44,609.09
  4. Step 4: Simplify right side
    80,426.75x = 4,950,379,786.53
  5. Step 5: Solve for x
    x = 4,950,379,786.53/80,426.75
  6. Step 6: Final answer
    x = 61,551.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.