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Finding the Fourth Proportional to 28,904.41, 43,340.14 and 11,364.67

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Solution

The fourth proportional to 28,904.41, 43,340.14 and 11,364.67 is: 17,040.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,904.41 : 43,340.14 = 11,364.67 : x
  2. Step 2: Convert to fraction form
    28,904.41/43,340.14 = 11,364.67/x
  3. Step 3: Cross multiply
    28,904.41x = 43,340.14 × 11,364.67
  4. Step 4: Simplify right side
    28,904.41x = 492,546,388.85
  5. Step 5: Solve for x
    x = 492,546,388.85/28,904.41
  6. Step 6: Final answer
    x = 17,040.53

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