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Finding the Fourth Proportional to 27,941.80, 41,912.70 and 25,220.20

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Solution

The fourth proportional to 27,941.80, 41,912.70 and 25,220.20 is: 37,830.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,941.80 : 41,912.70 = 25,220.20 : x
  2. Step 2: Convert to fraction form
    27,941.80/41,912.70 = 25,220.20/x
  3. Step 3: Cross multiply
    27,941.80x = 41,912.70 × 25,220.20
  4. Step 4: Simplify right side
    27,941.80x = 1,057,046,676.54
  5. Step 5: Solve for x
    x = 1,057,046,676.54/27,941.80
  6. Step 6: Final answer
    x = 37,830.30

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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.