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Finding the Fourth Proportional to 62,692.35, 86,515.43 and 35,835.43

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Solution

The fourth proportional to 62,692.35, 86,515.43 and 35,835.43 is: 49,452.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,692.35 : 86,515.43 = 35,835.43 : x
  2. Step 2: Convert to fraction form
    62,692.35/86,515.43 = 35,835.43/x
  3. Step 3: Cross multiply
    62,692.35x = 86,515.43 × 35,835.43
  4. Step 4: Simplify right side
    62,692.35x = 3,100,317,456.51
  5. Step 5: Solve for x
    x = 3,100,317,456.51/62,692.35
  6. Step 6: Final answer
    x = 49,452.89

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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.