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Finding the Fourth Proportional to 61,891.55, 92,872.44 and 33,428.15

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Solution

The fourth proportional to 61,891.55, 92,872.44 and 33,428.15 is: 50,161.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,891.55 : 92,872.44 = 33,428.15 : x
  2. Step 2: Convert to fraction form
    61,891.55/92,872.44 = 33,428.15/x
  3. Step 3: Cross multiply
    61,891.55x = 92,872.44 × 33,428.15
  4. Step 4: Simplify right side
    61,891.55x = 3,104,554,087.37
  5. Step 5: Solve for x
    x = 3,104,554,087.37/61,891.55
  6. Step 6: Final answer
    x = 50,161.19

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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.