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Finding the Fourth Proportional to 53,675.82, 74,075.99 and 31,018.97

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Solution

The fourth proportional to 53,675.82, 74,075.99 and 31,018.97 is: 42,808.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,675.82 : 74,075.99 = 31,018.97 : x
  2. Step 2: Convert to fraction form
    53,675.82/74,075.99 = 31,018.97/x
  3. Step 3: Cross multiply
    53,675.82x = 74,075.99 × 31,018.97
  4. Step 4: Simplify right side
    53,675.82x = 2,297,760,911.53
  5. Step 5: Solve for x
    x = 2,297,760,911.53/53,675.82
  6. Step 6: Final answer
    x = 42,808.12

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