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Finding the Fourth Proportional to 33,261.99, 49,855.62 and 21,885.95

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Solution

The fourth proportional to 33,261.99, 49,855.62 and 21,885.95 is: 32,804.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,261.99 : 49,855.62 = 21,885.95 : x
  2. Step 2: Convert to fraction form
    33,261.99/49,855.62 = 21,885.95/x
  3. Step 3: Cross multiply
    33,261.99x = 49,855.62 × 21,885.95
  4. Step 4: Simplify right side
    33,261.99x = 1,091,137,357.26
  5. Step 5: Solve for x
    x = 1,091,137,357.26/33,261.99
  6. Step 6: Final answer
    x = 32,804.33

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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.