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Finding the Fourth Proportional to 12,025.19, 18,040.14 and 3,703.79

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Solution

The fourth proportional to 12,025.19, 18,040.14 and 3,703.79 is: 5,556.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,025.19 : 18,040.14 = 3,703.79 : x
  2. Step 2: Convert to fraction form
    12,025.19/18,040.14 = 3,703.79/x
  3. Step 3: Cross multiply
    12,025.19x = 18,040.14 × 3,703.79
  4. Step 4: Simplify right side
    12,025.19x = 66,816,799.93
  5. Step 5: Solve for x
    x = 66,816,799.93/12,025.19
  6. Step 6: Final answer
    x = 5,556.41

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.