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Finding the Fourth Proportional to 33,780.24, 46,617.72 and 18,876.24

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Solution

The fourth proportional to 33,780.24, 46,617.72 and 18,876.24 is: 26,049.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,780.24 : 46,617.72 = 18,876.24 : x
  2. Step 2: Convert to fraction form
    33,780.24/46,617.72 = 18,876.24/x
  3. Step 3: Cross multiply
    33,780.24x = 46,617.72 × 18,876.24
  4. Step 4: Simplify right side
    33,780.24x = 879,967,270.97
  5. Step 5: Solve for x
    x = 879,967,270.97/33,780.24
  6. Step 6: Final answer
    x = 26,049.76

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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.