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Finding the Fourth Proportional to 27,329.58, 37,715.52 and 15,393.36

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Solution

The fourth proportional to 27,329.58, 37,715.52 and 15,393.36 is: 21,243.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,329.58 : 37,715.52 = 15,393.36 : x
  2. Step 2: Convert to fraction form
    27,329.58/37,715.52 = 15,393.36/x
  3. Step 3: Cross multiply
    27,329.58x = 37,715.52 × 15,393.36
  4. Step 4: Simplify right side
    27,329.58x = 580,568,576.95
  5. Step 5: Solve for x
    x = 580,568,576.95/27,329.58
  6. Step 6: Final answer
    x = 21,243.23

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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.