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Finding the Fourth Proportional to 1,151.16, 1,724.04 and 1,012.74

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Solution

The fourth proportional to 1,151.16, 1,724.04 and 1,012.74 is: 1,516.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151.16 : 1,724.04 = 1,012.74 : x
  2. Step 2: Convert to fraction form
    1,151.16/1,724.04 = 1,012.74/x
  3. Step 3: Cross multiply
    1,151.16x = 1,724.04 × 1,012.74
  4. Step 4: Simplify right side
    1,151.16x = 1,746,004.27
  5. Step 5: Solve for x
    x = 1,746,004.27/1,151.16
  6. Step 6: Final answer
    x = 1,516.73

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