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Finding the Fourth Proportional to 39,169.60, 58,792.80 and 19,470.40

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Solution

The fourth proportional to 39,169.60, 58,792.80 and 19,470.40 is: 29,224.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,169.60 : 58,792.80 = 19,470.40 : x
  2. Step 2: Convert to fraction form
    39,169.60/58,792.80 = 19,470.40/x
  3. Step 3: Cross multiply
    39,169.60x = 58,792.80 × 19,470.40
  4. Step 4: Simplify right side
    39,169.60x = 1,144,719,333.12
  5. Step 5: Solve for x
    x = 1,144,719,333.12/39,169.60
  6. Step 6: Final answer
    x = 29,224.69

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