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Finding the Fourth Proportional to 7,904.72, 10,900.32 and 6,789.34

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Solution

The fourth proportional to 7,904.72, 10,900.32 and 6,789.34 is: 9,362.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904.72 : 10,900.32 = 6,789.34 : x
  2. Step 2: Convert to fraction form
    7,904.72/10,900.32 = 6,789.34/x
  3. Step 3: Cross multiply
    7,904.72x = 10,900.32 × 6,789.34
  4. Step 4: Simplify right side
    7,904.72x = 74,005,978.59
  5. Step 5: Solve for x
    x = 74,005,978.59/7,904.72
  6. Step 6: Final answer
    x = 9,362.25

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