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Finding the Fourth Proportional to 4,664.81, 6,997.22 and 1,377.65

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Solution

The fourth proportional to 4,664.81, 6,997.22 and 1,377.65 is: 2,066.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,664.81 : 6,997.22 = 1,377.65 : x
  2. Step 2: Convert to fraction form
    4,664.81/6,997.22 = 1,377.65/x
  3. Step 3: Cross multiply
    4,664.81x = 6,997.22 × 1,377.65
  4. Step 4: Simplify right side
    4,664.81x = 9,639,678.26
  5. Step 5: Solve for x
    x = 9,639,678.26/4,664.81
  6. Step 6: Final answer
    x = 2,066.47

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