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Finding the Fourth Proportional to 16,620.22, 24,908.82 and 6,748.04

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Solution

The fourth proportional to 16,620.22, 24,908.82 and 6,748.04 is: 10,113.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,620.22 : 24,908.82 = 6,748.04 : x
  2. Step 2: Convert to fraction form
    16,620.22/24,908.82 = 6,748.04/x
  3. Step 3: Cross multiply
    16,620.22x = 24,908.82 × 6,748.04
  4. Step 4: Simplify right side
    16,620.22x = 168,085,750.68
  5. Step 5: Solve for x
    x = 168,085,750.68/16,620.22
  6. Step 6: Final answer
    x = 10,113.33

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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.