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Finding the Fourth Proportional to 17,686.91, 24,408.05 and 9,728.93

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Solution

The fourth proportional to 17,686.91, 24,408.05 and 9,728.93 is: 13,425.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,686.91 : 24,408.05 = 9,728.93 : x
  2. Step 2: Convert to fraction form
    17,686.91/24,408.05 = 9,728.93/x
  3. Step 3: Cross multiply
    17,686.91x = 24,408.05 × 9,728.93
  4. Step 4: Simplify right side
    17,686.91x = 237,464,039.20
  5. Step 5: Solve for x
    x = 237,464,039.20/17,686.91
  6. Step 6: Final answer
    x = 13,425.98

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