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Finding the Fourth Proportional to 30,049.67, 41,467.50 and 16,620.88

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Solution

The fourth proportional to 30,049.67, 41,467.50 and 16,620.88 is: 22,936.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,049.67 : 41,467.50 = 16,620.88 : x
  2. Step 2: Convert to fraction form
    30,049.67/41,467.50 = 16,620.88/x
  3. Step 3: Cross multiply
    30,049.67x = 41,467.50 × 16,620.88
  4. Step 4: Simplify right side
    30,049.67x = 689,226,134.06
  5. Step 5: Solve for x
    x = 689,226,134.06/30,049.67
  6. Step 6: Final answer
    x = 22,936.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.