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Finding the Fourth Proportional to 62,777.87, 86,638.31 and 35,928.80

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Solution

The fourth proportional to 62,777.87, 86,638.31 and 35,928.80 is: 49,584.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,777.87 : 86,638.31 = 35,928.80 : x
  2. Step 2: Convert to fraction form
    62,777.87/86,638.31 = 35,928.80/x
  3. Step 3: Cross multiply
    62,777.87x = 86,638.31 × 35,928.80
  4. Step 4: Simplify right side
    62,777.87x = 3,112,810,512.33
  5. Step 5: Solve for x
    x = 3,112,810,512.33/62,777.87
  6. Step 6: Final answer
    x = 49,584.52

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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.