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Finding the Fourth Proportional to 35,782.85, 53,674.23 and 20,200.47

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Solution

The fourth proportional to 35,782.85, 53,674.23 and 20,200.47 is: 30,300.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,782.85 : 53,674.23 = 20,200.47 : x
  2. Step 2: Convert to fraction form
    35,782.85/53,674.23 = 20,200.47/x
  3. Step 3: Cross multiply
    35,782.85x = 53,674.23 × 20,200.47
  4. Step 4: Simplify right side
    35,782.85x = 1,084,244,672.89
  5. Step 5: Solve for x
    x = 1,084,244,672.89/35,782.85
  6. Step 6: Final answer
    x = 30,300.68

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