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Finding the Fourth Proportional to 33,887.57, 46,764.14 and 18,780.12

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Solution

The fourth proportional to 33,887.57, 46,764.14 and 18,780.12 is: 25,916.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,887.57 : 46,764.14 = 18,780.12 : x
  2. Step 2: Convert to fraction form
    33,887.57/46,764.14 = 18,780.12/x
  3. Step 3: Cross multiply
    33,887.57x = 46,764.14 × 18,780.12
  4. Step 4: Simplify right side
    33,887.57x = 878,236,067.00
  5. Step 5: Solve for x
    x = 878,236,067.00/33,887.57
  6. Step 6: Final answer
    x = 25,916.18

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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.