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Finding the Fourth Proportional to 33,152.25, 45,717.69 and 21,211.23

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Solution

The fourth proportional to 33,152.25, 45,717.69 and 21,211.23 is: 29,250.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,152.25 : 45,717.69 = 21,211.23 : x
  2. Step 2: Convert to fraction form
    33,152.25/45,717.69 = 21,211.23/x
  3. Step 3: Cross multiply
    33,152.25x = 45,717.69 × 21,211.23
  4. Step 4: Simplify right side
    33,152.25x = 969,728,437.66
  5. Step 5: Solve for x
    x = 969,728,437.66/33,152.25
  6. Step 6: Final answer
    x = 29,250.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.