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Finding the Fourth Proportional to 19,169.26, 26,453.79 and 10,556.41

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Solution

The fourth proportional to 19,169.26, 26,453.79 and 10,556.41 is: 14,567.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,169.26 : 26,453.79 = 10,556.41 : x
  2. Step 2: Convert to fraction form
    19,169.26/26,453.79 = 10,556.41/x
  3. Step 3: Cross multiply
    19,169.26x = 26,453.79 × 10,556.41
  4. Step 4: Simplify right side
    19,169.26x = 279,257,053.29
  5. Step 5: Solve for x
    x = 279,257,053.29/19,169.26
  6. Step 6: Final answer
    x = 14,567.96

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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.