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Finding the Fourth Proportional to 33,811.70, 50,690.07 and 14,104.94

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Solution

The fourth proportional to 33,811.70, 50,690.07 and 14,104.94 is: 21,145.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,811.70 : 50,690.07 = 14,104.94 : x
  2. Step 2: Convert to fraction form
    33,811.70/50,690.07 = 14,104.94/x
  3. Step 3: Cross multiply
    33,811.70x = 50,690.07 × 14,104.94
  4. Step 4: Simplify right side
    33,811.70x = 714,980,395.95
  5. Step 5: Solve for x
    x = 714,980,395.95/33,811.70
  6. Step 6: Final answer
    x = 21,145.95

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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.