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Finding the Fourth Proportional to 2,405.41, 3,609.93 and 1,623.56

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Solution

The fourth proportional to 2,405.41, 3,609.93 and 1,623.56 is: 2,436.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405.41 : 3,609.93 = 1,623.56 : x
  2. Step 2: Convert to fraction form
    2,405.41/3,609.93 = 1,623.56/x
  3. Step 3: Cross multiply
    2,405.41x = 3,609.93 × 1,623.56
  4. Step 4: Simplify right side
    2,405.41x = 5,860,937.95
  5. Step 5: Solve for x
    x = 5,860,937.95/2,405.41
  6. Step 6: Final answer
    x = 2,436.57

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