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Finding the Fourth Proportional to 51,362.64, 77,040.72 and 18,085.68

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Solution

The fourth proportional to 51,362.64, 77,040.72 and 18,085.68 is: 27,127.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,362.64 : 77,040.72 = 18,085.68 : x
  2. Step 2: Convert to fraction form
    51,362.64/77,040.72 = 18,085.68/x
  3. Step 3: Cross multiply
    51,362.64x = 77,040.72 × 18,085.68
  4. Step 4: Simplify right side
    51,362.64x = 1,393,333,808.89
  5. Step 5: Solve for x
    x = 1,393,333,808.89/51,362.64
  6. Step 6: Final answer
    x = 27,127.38

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