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Finding the Fourth Proportional to 2,825.86, 3,897.61 and 1,941.70

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Solution

The fourth proportional to 2,825.86, 3,897.61 and 1,941.70 is: 2,678.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.86 : 3,897.61 = 1,941.70 : x
  2. Step 2: Convert to fraction form
    2,825.86/3,897.61 = 1,941.70/x
  3. Step 3: Cross multiply
    2,825.86x = 3,897.61 × 1,941.70
  4. Step 4: Simplify right side
    2,825.86x = 7,567,989.34
  5. Step 5: Solve for x
    x = 7,567,989.34/2,825.86
  6. Step 6: Final answer
    x = 2,678.12

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