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Finding the Fourth Proportional to 33,901.88, 50,852.81 and 13,125.38

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Solution

The fourth proportional to 33,901.88, 50,852.81 and 13,125.38 is: 19,688.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,901.88 : 50,852.81 = 13,125.38 : x
  2. Step 2: Convert to fraction form
    33,901.88/50,852.81 = 13,125.38/x
  3. Step 3: Cross multiply
    33,901.88x = 50,852.81 × 13,125.38
  4. Step 4: Simplify right side
    33,901.88x = 667,462,233.87
  5. Step 5: Solve for x
    x = 667,462,233.87/33,901.88
  6. Step 6: Final answer
    x = 19,688.06

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.