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Finding the Fourth Proportional to 8,544.88, 12,821.88 and 3,350.80

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Solution

The fourth proportional to 8,544.88, 12,821.88 and 3,350.80 is: 5,027.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,544.88 : 12,821.88 = 3,350.80 : x
  2. Step 2: Convert to fraction form
    8,544.88/12,821.88 = 3,350.80/x
  3. Step 3: Cross multiply
    8,544.88x = 12,821.88 × 3,350.80
  4. Step 4: Simplify right side
    8,544.88x = 42,963,555.50
  5. Step 5: Solve for x
    x = 42,963,555.50/8,544.88
  6. Step 6: Final answer
    x = 5,027.99

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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.