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Finding the Fourth Proportional to 2,981.86, 4,471.02 and 1,133.11

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Solution

The fourth proportional to 2,981.86, 4,471.02 and 1,133.11 is: 1,699.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981.86 : 4,471.02 = 1,133.11 : x
  2. Step 2: Convert to fraction form
    2,981.86/4,471.02 = 1,133.11/x
  3. Step 3: Cross multiply
    2,981.86x = 4,471.02 × 1,133.11
  4. Step 4: Simplify right side
    2,981.86x = 5,066,178.82
  5. Step 5: Solve for x
    x = 5,066,178.82/2,981.86
  6. Step 6: Final answer
    x = 1,699.00

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