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Finding the Fourth Proportional to 4,738.42, 7,103.51 and 1,774.88

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Solution

The fourth proportional to 4,738.42, 7,103.51 and 1,774.88 is: 2,660.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738.42 : 7,103.51 = 1,774.88 : x
  2. Step 2: Convert to fraction form
    4,738.42/7,103.51 = 1,774.88/x
  3. Step 3: Cross multiply
    4,738.42x = 7,103.51 × 1,774.88
  4. Step 4: Simplify right side
    4,738.42x = 12,607,877.83
  5. Step 5: Solve for x
    x = 12,607,877.83/4,738.42
  6. Step 6: Final answer
    x = 2,660.78

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