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Finding the Fourth Proportional to 27,676.80, 41,517.12 and 7,955.52

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Solution

The fourth proportional to 27,676.80, 41,517.12 and 7,955.52 is: 11,933.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,676.80 : 41,517.12 = 7,955.52 : x
  2. Step 2: Convert to fraction form
    27,676.80/41,517.12 = 7,955.52/x
  3. Step 3: Cross multiply
    27,676.80x = 41,517.12 × 7,955.52
  4. Step 4: Simplify right side
    27,676.80x = 330,290,278.50
  5. Step 5: Solve for x
    x = 330,290,278.50/27,676.80
  6. Step 6: Final answer
    x = 11,933.83

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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.