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Finding the Fourth Proportional to 28,312.26, 39,034.86 and 17,698.02

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Solution

The fourth proportional to 28,312.26, 39,034.86 and 17,698.02 is: 24,400.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,312.26 : 39,034.86 = 17,698.02 : x
  2. Step 2: Convert to fraction form
    28,312.26/39,034.86 = 17,698.02/x
  3. Step 3: Cross multiply
    28,312.26x = 39,034.86 × 17,698.02
  4. Step 4: Simplify right side
    28,312.26x = 690,839,732.98
  5. Step 5: Solve for x
    x = 690,839,732.98/28,312.26
  6. Step 6: Final answer
    x = 24,400.73

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