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Finding the Fourth Proportional to 30,367.66, 41,907.08 and 16,755.83

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Solution

The fourth proportional to 30,367.66, 41,907.08 and 16,755.83 is: 23,122.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,367.66 : 41,907.08 = 16,755.83 : x
  2. Step 2: Convert to fraction form
    30,367.66/41,907.08 = 16,755.83/x
  3. Step 3: Cross multiply
    30,367.66x = 41,907.08 × 16,755.83
  4. Step 4: Simplify right side
    30,367.66x = 702,187,840.68
  5. Step 5: Solve for x
    x = 702,187,840.68/30,367.66
  6. Step 6: Final answer
    x = 23,122.88

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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.