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Finding the Fourth Proportional to 34,061.72, 51,005.10 and 20,874.12

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Solution

The fourth proportional to 34,061.72, 51,005.10 and 20,874.12 is: 31,257.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,061.72 : 51,005.10 = 20,874.12 : x
  2. Step 2: Convert to fraction form
    34,061.72/51,005.10 = 20,874.12/x
  3. Step 3: Cross multiply
    34,061.72x = 51,005.10 × 20,874.12
  4. Step 4: Simplify right side
    34,061.72x = 1,064,686,578.01
  5. Step 5: Solve for x
    x = 1,064,686,578.01/34,061.72
  6. Step 6: Final answer
    x = 31,257.57

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