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Finding the Fourth Proportional to 27,765.63, 41,647.20 and 8,043.75

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Solution

The fourth proportional to 27,765.63, 41,647.20 and 8,043.75 is: 12,065.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,765.63 : 41,647.20 = 8,043.75 : x
  2. Step 2: Convert to fraction form
    27,765.63/41,647.20 = 8,043.75/x
  3. Step 3: Cross multiply
    27,765.63x = 41,647.20 × 8,043.75
  4. Step 4: Simplify right side
    27,765.63x = 334,999,665
  5. Step 5: Solve for x
    x = 334,999,665/27,765.63
  6. Step 6: Final answer
    x = 12,065.26

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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.