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Finding the Fourth Proportional to 33,271.20, 49,873.20 and 16,605.60

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Solution

The fourth proportional to 33,271.20, 49,873.20 and 16,605.60 is: 24,891.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,271.20 : 49,873.20 = 16,605.60 : x
  2. Step 2: Convert to fraction form
    33,271.20/49,873.20 = 16,605.60/x
  3. Step 3: Cross multiply
    33,271.20x = 49,873.20 × 16,605.60
  4. Step 4: Simplify right side
    33,271.20x = 828,174,409.92
  5. Step 5: Solve for x
    x = 828,174,409.92/33,271.20
  6. Step 6: Final answer
    x = 24,891.63

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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.