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Finding the Fourth Proportional to 6,762.76, 10,142.92 and 1,831.75

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Solution

The fourth proportional to 6,762.76, 10,142.92 and 1,831.75 is: 2,747.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,762.76 : 10,142.92 = 1,831.75 : x
  2. Step 2: Convert to fraction form
    6,762.76/10,142.92 = 1,831.75/x
  3. Step 3: Cross multiply
    6,762.76x = 10,142.92 × 1,831.75
  4. Step 4: Simplify right side
    6,762.76x = 18,579,293.71
  5. Step 5: Solve for x
    x = 18,579,293.71/6,762.76
  6. Step 6: Final answer
    x = 2,747.29

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