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Finding the Fourth Proportional to 4,913.04, 7,368.60 and 1,449.36

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Solution

The fourth proportional to 4,913.04, 7,368.60 and 1,449.36 is: 2,173.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,913.04 : 7,368.60 = 1,449.36 : x
  2. Step 2: Convert to fraction form
    4,913.04/7,368.60 = 1,449.36/x
  3. Step 3: Cross multiply
    4,913.04x = 7,368.60 × 1,449.36
  4. Step 4: Simplify right side
    4,913.04x = 10,679,754.10
  5. Step 5: Solve for x
    x = 10,679,754.10/4,913.04
  6. Step 6: Final answer
    x = 2,173.76

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