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Finding the Fourth Proportional to 62,507.97, 86,243.94 and 35,640.68

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Solution

The fourth proportional to 62,507.97, 86,243.94 and 35,640.68 is: 49,174.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,507.97 : 86,243.94 = 35,640.68 : x
  2. Step 2: Convert to fraction form
    62,507.97/86,243.94 = 35,640.68/x
  3. Step 3: Cross multiply
    62,507.97x = 86,243.94 × 35,640.68
  4. Step 4: Simplify right side
    62,507.97x = 3,073,792,236.26
  5. Step 5: Solve for x
    x = 3,073,792,236.26/62,507.97
  6. Step 6: Final answer
    x = 49,174.41

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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.