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Finding the Fourth Proportional to 11,357.72, 15,670.34 and 6,579.12

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Solution

The fourth proportional to 11,357.72, 15,670.34 and 6,579.12 is: 9,077.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,357.72 : 15,670.34 = 6,579.12 : x
  2. Step 2: Convert to fraction form
    11,357.72/15,670.34 = 6,579.12/x
  3. Step 3: Cross multiply
    11,357.72x = 15,670.34 × 6,579.12
  4. Step 4: Simplify right side
    11,357.72x = 103,097,047.30
  5. Step 5: Solve for x
    x = 103,097,047.30/11,357.72
  6. Step 6: Final answer
    x = 9,077.27

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