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Finding the Fourth Proportional to 27,915.35, 41,879.49 and 9,194.71

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Solution

The fourth proportional to 27,915.35, 41,879.49 and 9,194.71 is: 13,794.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,915.35 : 41,879.49 = 9,194.71 : x
  2. Step 2: Convert to fraction form
    27,915.35/41,879.49 = 9,194.71/x
  3. Step 3: Cross multiply
    27,915.35x = 41,879.49 × 9,194.71
  4. Step 4: Simplify right side
    27,915.35x = 385,069,660.80
  5. Step 5: Solve for x
    x = 385,069,660.80/27,915.35
  6. Step 6: Final answer
    x = 13,794.19

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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.