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Finding the Fourth Proportional to 7,429.91, 11,144.48 and 1,883.34

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Solution

The fourth proportional to 7,429.91, 11,144.48 and 1,883.34 is: 2,824.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.91 : 11,144.48 = 1,883.34 : x
  2. Step 2: Convert to fraction form
    7,429.91/11,144.48 = 1,883.34/x
  3. Step 3: Cross multiply
    7,429.91x = 11,144.48 × 1,883.34
  4. Step 4: Simplify right side
    7,429.91x = 20,988,835.55
  5. Step 5: Solve for x
    x = 20,988,835.55/7,429.91
  6. Step 6: Final answer
    x = 2,824.91

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