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Finding the Fourth Proportional to 27,672.46, 41,515.71 and 7,951.03

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Solution

The fourth proportional to 27,672.46, 41,515.71 and 7,951.03 is: 11,928.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,672.46 : 41,515.71 = 7,951.03 : x
  2. Step 2: Convert to fraction form
    27,672.46/41,515.71 = 7,951.03/x
  3. Step 3: Cross multiply
    27,672.46x = 41,515.71 × 7,951.03
  4. Step 4: Simplify right side
    27,672.46x = 330,092,635.80
  5. Step 5: Solve for x
    x = 330,092,635.80/27,672.46
  6. Step 6: Final answer
    x = 11,928.56

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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.