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Finding the Fourth Proportional to 12,040.65, 18,062.19 and 6,194.88

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Solution

The fourth proportional to 12,040.65, 18,062.19 and 6,194.88 is: 9,292.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,040.65 : 18,062.19 = 6,194.88 : x
  2. Step 2: Convert to fraction form
    12,040.65/18,062.19 = 6,194.88/x
  3. Step 3: Cross multiply
    12,040.65x = 18,062.19 × 6,194.88
  4. Step 4: Simplify right side
    12,040.65x = 111,893,099.59
  5. Step 5: Solve for x
    x = 111,893,099.59/12,040.65
  6. Step 6: Final answer
    x = 9,292.95

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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.