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Finding the Fourth Proportional to 27,425.20, 41,137.80 and 15,566.80

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Solution

The fourth proportional to 27,425.20, 41,137.80 and 15,566.80 is: 23,350.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,425.20 : 41,137.80 = 15,566.80 : x
  2. Step 2: Convert to fraction form
    27,425.20/41,137.80 = 15,566.80/x
  3. Step 3: Cross multiply
    27,425.20x = 41,137.80 × 15,566.80
  4. Step 4: Simplify right side
    27,425.20x = 640,383,905.04
  5. Step 5: Solve for x
    x = 640,383,905.04/27,425.20
  6. Step 6: Final answer
    x = 23,350.20

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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.