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Finding the Fourth Proportional to 1,938.93, 2,905.83 and 1,061.43

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Solution

The fourth proportional to 1,938.93, 2,905.83 and 1,061.43 is: 1,590.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938.93 : 2,905.83 = 1,061.43 : x
  2. Step 2: Convert to fraction form
    1,938.93/2,905.83 = 1,061.43/x
  3. Step 3: Cross multiply
    1,938.93x = 2,905.83 × 1,061.43
  4. Step 4: Simplify right side
    1,938.93x = 3,084,335.14
  5. Step 5: Solve for x
    x = 3,084,335.14/1,938.93
  6. Step 6: Final answer
    x = 1,590.74

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