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Finding the Fourth Proportional to 18,348.45, 27,467.92 and 18,034.98

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Solution

The fourth proportional to 18,348.45, 27,467.92 and 18,034.98 is: 26,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,348.45 : 27,467.92 = 18,034.98 : x
  2. Step 2: Convert to fraction form
    18,348.45/27,467.92 = 18,034.98/x
  3. Step 3: Cross multiply
    18,348.45x = 27,467.92 × 18,034.98
  4. Step 4: Simplify right side
    18,348.45x = 495,383,387.84
  5. Step 5: Solve for x
    x = 495,383,387.84/18,348.45
  6. Step 6: Final answer
    x = 26,998.65

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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.