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Finding the Fourth Proportional to 29,761.05, 41,072.06 and 19,671.99

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Solution

The fourth proportional to 29,761.05, 41,072.06 and 19,671.99 is: 27,148.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,761.05 : 41,072.06 = 19,671.99 : x
  2. Step 2: Convert to fraction form
    29,761.05/41,072.06 = 19,671.99/x
  3. Step 3: Cross multiply
    29,761.05x = 41,072.06 × 19,671.99
  4. Step 4: Simplify right side
    29,761.05x = 807,969,055.24
  5. Step 5: Solve for x
    x = 807,969,055.24/29,761.05
  6. Step 6: Final answer
    x = 27,148.54

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Why These Related Problems?

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