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Finding the Fourth Proportional to 30,774.52, 46,128.84 and 21,982.78

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Solution

The fourth proportional to 30,774.52, 46,128.84 and 21,982.78 is: 32,950.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,774.52 : 46,128.84 = 21,982.78 : x
  2. Step 2: Convert to fraction form
    30,774.52/46,128.84 = 21,982.78/x
  3. Step 3: Cross multiply
    30,774.52x = 46,128.84 × 21,982.78
  4. Step 4: Simplify right side
    30,774.52x = 1,014,040,141.38
  5. Step 5: Solve for x
    x = 1,014,040,141.38/30,774.52
  6. Step 6: Final answer
    x = 32,950.64

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