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Finding the Fourth Proportional to 30,788.76, 46,107.54 and 19,662.60

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Solution

The fourth proportional to 30,788.76, 46,107.54 and 19,662.60 is: 29,445.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,788.76 : 46,107.54 = 19,662.60 : x
  2. Step 2: Convert to fraction form
    30,788.76/46,107.54 = 19,662.60/x
  3. Step 3: Cross multiply
    30,788.76x = 46,107.54 × 19,662.60
  4. Step 4: Simplify right side
    30,788.76x = 906,594,116.00
  5. Step 5: Solve for x
    x = 906,594,116.00/30,788.76
  6. Step 6: Final answer
    x = 29,445.62

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