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Finding the Fourth Proportional to 7,955.69, 10,978.86 and 4,419.23

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Solution

The fourth proportional to 7,955.69, 10,978.86 and 4,419.23 is: 6,098.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955.69 : 10,978.86 = 4,419.23 : x
  2. Step 2: Convert to fraction form
    7,955.69/10,978.86 = 4,419.23/x
  3. Step 3: Cross multiply
    7,955.69x = 10,978.86 × 4,419.23
  4. Step 4: Simplify right side
    7,955.69x = 48,518,080.03
  5. Step 5: Solve for x
    x = 48,518,080.03/7,955.69
  6. Step 6: Final answer
    x = 6,098.54

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