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Finding the Fourth Proportional to 62,692.60, 86,515.77 and 35,835.68

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Solution

The fourth proportional to 62,692.60, 86,515.77 and 35,835.68 is: 49,453.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,692.60 : 86,515.77 = 35,835.68 : x
  2. Step 2: Convert to fraction form
    62,692.60/86,515.77 = 35,835.68/x
  3. Step 3: Cross multiply
    62,692.60x = 86,515.77 × 35,835.68
  4. Step 4: Simplify right side
    62,692.60x = 3,100,351,538.26
  5. Step 5: Solve for x
    x = 3,100,351,538.26/62,692.60
  6. Step 6: Final answer
    x = 49,453.23

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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.