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Finding the Fourth Proportional to 45,391.94, 62,640.87 and 25,519.94

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Solution

The fourth proportional to 45,391.94, 62,640.87 and 25,519.94 is: 35,217.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,391.94 : 62,640.87 = 25,519.94 : x
  2. Step 2: Convert to fraction form
    45,391.94/62,640.87 = 25,519.94/x
  3. Step 3: Cross multiply
    45,391.94x = 62,640.87 × 25,519.94
  4. Step 4: Simplify right side
    45,391.94x = 1,598,591,243.95
  5. Step 5: Solve for x
    x = 1,598,591,243.95/45,391.94
  6. Step 6: Final answer
    x = 35,217.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.