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Finding the Fourth Proportional to 10,699.68, 16,047.54 and 2,906.58

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Solution

The fourth proportional to 10,699.68, 16,047.54 and 2,906.58 is: 4,359.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,699.68 : 16,047.54 = 2,906.58 : x
  2. Step 2: Convert to fraction form
    10,699.68/16,047.54 = 2,906.58/x
  3. Step 3: Cross multiply
    10,699.68x = 16,047.54 × 2,906.58
  4. Step 4: Simplify right side
    10,699.68x = 46,643,458.81
  5. Step 5: Solve for x
    x = 46,643,458.81/10,699.68
  6. Step 6: Final answer
    x = 4,359.33

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