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Finding the Fourth Proportional to 62,986.21, 86,881.92 and 37,475.33

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Solution

The fourth proportional to 62,986.21, 86,881.92 and 37,475.33 is: 51,692.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,986.21 : 86,881.92 = 37,475.33 : x
  2. Step 2: Convert to fraction form
    62,986.21/86,881.92 = 37,475.33/x
  3. Step 3: Cross multiply
    62,986.21x = 86,881.92 × 37,475.33
  4. Step 4: Simplify right side
    62,986.21x = 3,255,928,048.09
  5. Step 5: Solve for x
    x = 3,255,928,048.09/62,986.21
  6. Step 6: Final answer
    x = 51,692.71

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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.