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Finding the Fourth Proportional to 16,978, 23,429.82 and 9,526

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Solution

The fourth proportional to 16,978, 23,429.82 and 9,526 is: 13,145.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,978 : 23,429.82 = 9,526 : x
  2. Step 2: Convert to fraction form
    16,978/23,429.82 = 9,526/x
  3. Step 3: Cross multiply
    16,978x = 23,429.82 × 9,526
  4. Step 4: Simplify right side
    16,978x = 223,192,465.32
  5. Step 5: Solve for x
    x = 223,192,465.32/16,978
  6. Step 6: Final answer
    x = 13,145.98

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