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Finding the Fourth Proportional to 18,393.42, 27,540.90 and 16,042.38

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Solution

The fourth proportional to 18,393.42, 27,540.90 and 16,042.38 is: 24,020.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,393.42 : 27,540.90 = 16,042.38 : x
  2. Step 2: Convert to fraction form
    18,393.42/27,540.90 = 16,042.38/x
  3. Step 3: Cross multiply
    18,393.42x = 27,540.90 × 16,042.38
  4. Step 4: Simplify right side
    18,393.42x = 441,821,583.34
  5. Step 5: Solve for x
    x = 441,821,583.34/18,393.42
  6. Step 6: Final answer
    x = 24,020.63

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1.5x scale

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.