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Finding the Fourth Proportional to 10,986.63, 16,482.02 and 4,413.33

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Solution

The fourth proportional to 10,986.63, 16,482.02 and 4,413.33 is: 6,620.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986.63 : 16,482.02 = 4,413.33 : x
  2. Step 2: Convert to fraction form
    10,986.63/16,482.02 = 4,413.33/x
  3. Step 3: Cross multiply
    10,986.63x = 16,482.02 × 4,413.33
  4. Step 4: Simplify right side
    10,986.63x = 72,740,593.33
  5. Step 5: Solve for x
    x = 72,740,593.33/10,986.63
  6. Step 6: Final answer
    x = 6,620.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.