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Finding the Fourth Proportional to 11,586.91, 17,386.67 and 4,922.36

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Solution

The fourth proportional to 11,586.91, 17,386.67 and 4,922.36 is: 7,386.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,586.91 : 17,386.67 = 4,922.36 : x
  2. Step 2: Convert to fraction form
    11,586.91/17,386.67 = 4,922.36/x
  3. Step 3: Cross multiply
    11,586.91x = 17,386.67 × 4,922.36
  4. Step 4: Simplify right side
    11,586.91x = 85,583,448.94
  5. Step 5: Solve for x
    x = 85,583,448.94/11,586.91
  6. Step 6: Final answer
    x = 7,386.22

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