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Finding the Fourth Proportional to 18,334.06, 27,504.53 and 8,339.54

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Solution

The fourth proportional to 18,334.06, 27,504.53 and 8,339.54 is: 12,510.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,334.06 : 27,504.53 = 8,339.54 : x
  2. Step 2: Convert to fraction form
    18,334.06/27,504.53 = 8,339.54/x
  3. Step 3: Cross multiply
    18,334.06x = 27,504.53 × 8,339.54
  4. Step 4: Simplify right side
    18,334.06x = 229,375,128.12
  5. Step 5: Solve for x
    x = 229,375,128.12/18,334.06
  6. Step 6: Final answer
    x = 12,510.87

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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.