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Finding the Fourth Proportional to 10,470.83, 15,667.36 and 5,857.07

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Solution

The fourth proportional to 10,470.83, 15,667.36 and 5,857.07 is: 8,763.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,470.83 : 15,667.36 = 5,857.07 : x
  2. Step 2: Convert to fraction form
    10,470.83/15,667.36 = 5,857.07/x
  3. Step 3: Cross multiply
    10,470.83x = 15,667.36 × 5,857.07
  4. Step 4: Simplify right side
    10,470.83x = 91,764,794.95
  5. Step 5: Solve for x
    x = 91,764,794.95/10,470.83
  6. Step 6: Final answer
    x = 8,763.85

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