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Finding the Fourth Proportional to 28,751.95, 39,677.61 and 16,176.70

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Solution

The fourth proportional to 28,751.95, 39,677.61 and 16,176.70 is: 22,323.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,751.95 : 39,677.61 = 16,176.70 : x
  2. Step 2: Convert to fraction form
    28,751.95/39,677.61 = 16,176.70/x
  3. Step 3: Cross multiply
    28,751.95x = 39,677.61 × 16,176.70
  4. Step 4: Simplify right side
    28,751.95x = 641,852,793.69
  5. Step 5: Solve for x
    x = 641,852,793.69/28,751.95
  6. Step 6: Final answer
    x = 22,323.80

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