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Finding the Fourth Proportional to 30,806.20, 46,176.90 and 17,630.20

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Solution

The fourth proportional to 30,806.20, 46,176.90 and 17,630.20 is: 26,426.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,806.20 : 46,176.90 = 17,630.20 : x
  2. Step 2: Convert to fraction form
    30,806.20/46,176.90 = 17,630.20/x
  3. Step 3: Cross multiply
    30,806.20x = 46,176.90 × 17,630.20
  4. Step 4: Simplify right side
    30,806.20x = 814,107,982.38
  5. Step 5: Solve for x
    x = 814,107,982.38/30,806.20
  6. Step 6: Final answer
    x = 26,426.76

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