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Finding the Fourth Proportional to 11,312.55, 16,975.44 and 4,738.23

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Solution

The fourth proportional to 11,312.55, 16,975.44 and 4,738.23 is: 7,110.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,312.55 : 16,975.44 = 4,738.23 : x
  2. Step 2: Convert to fraction form
    11,312.55/16,975.44 = 4,738.23/x
  3. Step 3: Cross multiply
    11,312.55x = 16,975.44 × 4,738.23
  4. Step 4: Simplify right side
    11,312.55x = 80,433,539.07
  5. Step 5: Solve for x
    x = 80,433,539.07/11,312.55
  6. Step 6: Final answer
    x = 7,110.12

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