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Finding the Fourth Proportional to 28,349.22, 39,116.88 and 16,411.98

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Solution

The fourth proportional to 28,349.22, 39,116.88 and 16,411.98 is: 22,645.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,349.22 : 39,116.88 = 16,411.98 : x
  2. Step 2: Convert to fraction form
    28,349.22/39,116.88 = 16,411.98/x
  3. Step 3: Cross multiply
    28,349.22x = 39,116.88 × 16,411.98
  4. Step 4: Simplify right side
    28,349.22x = 641,985,452.22
  5. Step 5: Solve for x
    x = 641,985,452.22/28,349.22
  6. Step 6: Final answer
    x = 22,645.61

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