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Finding the Fourth Proportional to 33,900.86, 50,852.06 and 8,943.42

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Solution

The fourth proportional to 33,900.86, 50,852.06 and 8,943.42 is: 13,415.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,900.86 : 50,852.06 = 8,943.42 : x
  2. Step 2: Convert to fraction form
    33,900.86/50,852.06 = 8,943.42/x
  3. Step 3: Cross multiply
    33,900.86x = 50,852.06 × 8,943.42
  4. Step 4: Simplify right side
    33,900.86x = 454,791,285.73
  5. Step 5: Solve for x
    x = 454,791,285.73/33,900.86
  6. Step 6: Final answer
    x = 13,415.33

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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.