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Finding the Fourth Proportional to 3,970.48, 5,955.72 and 1,197.16

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Solution

The fourth proportional to 3,970.48, 5,955.72 and 1,197.16 is: 1,795.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,970.48 : 5,955.72 = 1,197.16 : x
  2. Step 2: Convert to fraction form
    3,970.48/5,955.72 = 1,197.16/x
  3. Step 3: Cross multiply
    3,970.48x = 5,955.72 × 1,197.16
  4. Step 4: Simplify right side
    3,970.48x = 7,129,949.76
  5. Step 5: Solve for x
    x = 7,129,949.76/3,970.48
  6. Step 6: Final answer
    x = 1,795.74

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