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Finding the Fourth Proportional to 3,956.78, 5,893.30 and 3,748.58

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Solution

The fourth proportional to 3,956.78, 5,893.30 and 3,748.58 is: 5,583.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956.78 : 5,893.30 = 3,748.58 : x
  2. Step 2: Convert to fraction form
    3,956.78/5,893.30 = 3,748.58/x
  3. Step 3: Cross multiply
    3,956.78x = 5,893.30 × 3,748.58
  4. Step 4: Simplify right side
    3,956.78x = 22,091,506.51
  5. Step 5: Solve for x
    x = 22,091,506.51/3,956.78
  6. Step 6: Final answer
    x = 5,583.20

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