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Finding the Fourth Proportional to 39,660.75, 54,736.71 and 22,893.75

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Solution

The fourth proportional to 39,660.75, 54,736.71 and 22,893.75 is: 31,596.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,660.75 : 54,736.71 = 22,893.75 : x
  2. Step 2: Convert to fraction form
    39,660.75/54,736.71 = 22,893.75/x
  3. Step 3: Cross multiply
    39,660.75x = 54,736.71 × 22,893.75
  4. Step 4: Simplify right side
    39,660.75x = 1,253,128,554.56
  5. Step 5: Solve for x
    x = 1,253,128,554.56/39,660.75
  6. Step 6: Final answer
    x = 31,596.19

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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.