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Finding the Fourth Proportional to 66,809.61, 92,197.24 and 36,596.82

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Solution

The fourth proportional to 66,809.61, 92,197.24 and 36,596.82 is: 50,503.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,809.61 : 92,197.24 = 36,596.82 : x
  2. Step 2: Convert to fraction form
    66,809.61/92,197.24 = 36,596.82/x
  3. Step 3: Cross multiply
    66,809.61x = 92,197.24 × 36,596.82
  4. Step 4: Simplify right side
    66,809.61x = 3,374,125,796.78
  5. Step 5: Solve for x
    x = 3,374,125,796.78/66,809.61
  6. Step 6: Final answer
    x = 50,503.60

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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.