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Finding the Fourth Proportional to 13,843.41, 19,104.11 and 7,555.65

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Solution

The fourth proportional to 13,843.41, 19,104.11 and 7,555.65 is: 10,426.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,843.41 : 19,104.11 = 7,555.65 : x
  2. Step 2: Convert to fraction form
    13,843.41/19,104.11 = 7,555.65/x
  3. Step 3: Cross multiply
    13,843.41x = 19,104.11 × 7,555.65
  4. Step 4: Simplify right side
    13,843.41x = 144,343,930.94
  5. Step 5: Solve for x
    x = 144,343,930.94/13,843.41
  6. Step 6: Final answer
    x = 10,426.91

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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.