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Finding the Fourth Proportional to 5,135.40, 7,703.10 and 3,276.45

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Solution

The fourth proportional to 5,135.40, 7,703.10 and 3,276.45 is: 4,914.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.40 : 7,703.10 = 3,276.45 : x
  2. Step 2: Convert to fraction form
    5,135.40/7,703.10 = 3,276.45/x
  3. Step 3: Cross multiply
    5,135.40x = 7,703.10 × 3,276.45
  4. Step 4: Simplify right side
    5,135.40x = 25,238,822.00
  5. Step 5: Solve for x
    x = 25,238,822.00/5,135.40
  6. Step 6: Final answer
    x = 4,914.68

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