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Finding the Fourth Proportional to 3,886.86, 5,831.55 and 2,326.62

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Solution

The fourth proportional to 3,886.86, 5,831.55 and 2,326.62 is: 3,490.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886.86 : 5,831.55 = 2,326.62 : x
  2. Step 2: Convert to fraction form
    3,886.86/5,831.55 = 2,326.62/x
  3. Step 3: Cross multiply
    3,886.86x = 5,831.55 × 2,326.62
  4. Step 4: Simplify right side
    3,886.86x = 13,567,800.86
  5. Step 5: Solve for x
    x = 13,567,800.86/3,886.86
  6. Step 6: Final answer
    x = 3,490.68

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