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Finding the Fourth Proportional to 11,707.33, 17,561.01 and 4,781.83

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Solution

The fourth proportional to 11,707.33, 17,561.01 and 4,781.83 is: 7,172.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,707.33 : 17,561.01 = 4,781.83 : x
  2. Step 2: Convert to fraction form
    11,707.33/17,561.01 = 4,781.83/x
  3. Step 3: Cross multiply
    11,707.33x = 17,561.01 × 4,781.83
  4. Step 4: Simplify right side
    11,707.33x = 83,973,764.45
  5. Step 5: Solve for x
    x = 83,973,764.45/11,707.33
  6. Step 6: Final answer
    x = 7,172.75

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