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Finding the Fourth Proportional to 18,029.41, 27,042.06 and 4,882.80

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Solution

The fourth proportional to 18,029.41, 27,042.06 and 4,882.80 is: 7,323.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,029.41 : 27,042.06 = 4,882.80 : x
  2. Step 2: Convert to fraction form
    18,029.41/27,042.06 = 4,882.80/x
  3. Step 3: Cross multiply
    18,029.41x = 27,042.06 × 4,882.80
  4. Step 4: Simplify right side
    18,029.41x = 132,040,946.15
  5. Step 5: Solve for x
    x = 132,040,946.15/18,029.41
  6. Step 6: Final answer
    x = 7,323.64

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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.