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Finding the Fourth Proportional to 62,753.20, 86,605.40 and 35,890.44

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Solution

The fourth proportional to 62,753.20, 86,605.40 and 35,890.44 is: 49,532.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,753.20 : 86,605.40 = 35,890.44 : x
  2. Step 2: Convert to fraction form
    62,753.20/86,605.40 = 35,890.44/x
  3. Step 3: Cross multiply
    62,753.20x = 86,605.40 × 35,890.44
  4. Step 4: Simplify right side
    62,753.20x = 3,108,305,912.38
  5. Step 5: Solve for x
    x = 3,108,305,912.38/62,753.20
  6. Step 6: Final answer
    x = 49,532.23

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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.