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Finding the Fourth Proportional to 33,443.72, 46,156.16 and 19,105.80

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Solution

The fourth proportional to 33,443.72, 46,156.16 and 19,105.80 is: 26,368.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,443.72 : 46,156.16 = 19,105.80 : x
  2. Step 2: Convert to fraction form
    33,443.72/46,156.16 = 19,105.80/x
  3. Step 3: Cross multiply
    33,443.72x = 46,156.16 × 19,105.80
  4. Step 4: Simplify right side
    33,443.72x = 881,850,361.73
  5. Step 5: Solve for x
    x = 881,850,361.73/33,443.72
  6. Step 6: Final answer
    x = 26,368.19

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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.