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Finding the Fourth Proportional to 16,608.21, 24,908.05 and 4,918.69

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Solution

The fourth proportional to 16,608.21, 24,908.05 and 4,918.69 is: 7,376.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,608.21 : 24,908.05 = 4,918.69 : x
  2. Step 2: Convert to fraction form
    16,608.21/24,908.05 = 4,918.69/x
  3. Step 3: Cross multiply
    16,608.21x = 24,908.05 × 4,918.69
  4. Step 4: Simplify right side
    16,608.21x = 122,515,013.74
  5. Step 5: Solve for x
    x = 122,515,013.74/16,608.21
  6. Step 6: Final answer
    x = 7,376.78

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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.