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Finding the Fourth Proportional to 11,132.94, 16,699.37 and 2,812.98

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Solution

The fourth proportional to 11,132.94, 16,699.37 and 2,812.98 is: 4,219.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,132.94 : 16,699.37 = 2,812.98 : x
  2. Step 2: Convert to fraction form
    11,132.94/16,699.37 = 2,812.98/x
  3. Step 3: Cross multiply
    11,132.94x = 16,699.37 × 2,812.98
  4. Step 4: Simplify right side
    11,132.94x = 46,974,948.45
  5. Step 5: Solve for x
    x = 46,974,948.45/11,132.94
  6. Step 6: Final answer
    x = 4,219.45

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