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Finding the Fourth Proportional to 61,986.93, 85,542.93 and 33,692.69

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Solution

The fourth proportional to 61,986.93, 85,542.93 and 33,692.69 is: 46,496.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,986.93 : 85,542.93 = 33,692.69 : x
  2. Step 2: Convert to fraction form
    61,986.93/85,542.93 = 33,692.69/x
  3. Step 3: Cross multiply
    61,986.93x = 85,542.93 × 33,692.69
  4. Step 4: Simplify right side
    61,986.93x = 2,882,170,994.47
  5. Step 5: Solve for x
    x = 2,882,170,994.47/61,986.93
  6. Step 6: Final answer
    x = 46,496.43

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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.