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Finding the Fourth Proportional to 18,703.91, 28,074.87 and 9,350.64

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Solution

The fourth proportional to 18,703.91, 28,074.87 and 9,350.64 is: 14,035.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,703.91 : 28,074.87 = 9,350.64 : x
  2. Step 2: Convert to fraction form
    18,703.91/28,074.87 = 9,350.64/x
  3. Step 3: Cross multiply
    18,703.91x = 28,074.87 × 9,350.64
  4. Step 4: Simplify right side
    18,703.91x = 262,518,002.42
  5. Step 5: Solve for x
    x = 262,518,002.42/18,703.91
  6. Step 6: Final answer
    x = 14,035.46

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