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Finding the Fourth Proportional to 66,596.60, 91,902.98 and 36,383.66

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Solution

The fourth proportional to 66,596.60, 91,902.98 and 36,383.66 is: 50,209.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,596.60 : 91,902.98 = 36,383.66 : x
  2. Step 2: Convert to fraction form
    66,596.60/91,902.98 = 36,383.66/x
  3. Step 3: Cross multiply
    66,596.60x = 91,902.98 × 36,383.66
  4. Step 4: Simplify right side
    66,596.60x = 3,343,766,135.87
  5. Step 5: Solve for x
    x = 3,343,766,135.87/66,596.60
  6. Step 6: Final answer
    x = 50,209.26

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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.