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Finding the Fourth Proportional to 66,893.17, 92,310.08 and 36,677.79

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Solution

The fourth proportional to 66,893.17, 92,310.08 and 36,677.79 is: 50,613.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,893.17 : 92,310.08 = 36,677.79 : x
  2. Step 2: Convert to fraction form
    66,893.17/92,310.08 = 36,677.79/x
  3. Step 3: Cross multiply
    66,893.17x = 92,310.08 × 36,677.79
  4. Step 4: Simplify right side
    66,893.17x = 3,385,729,729.12
  5. Step 5: Solve for x
    x = 3,385,729,729.12/66,893.17
  6. Step 6: Final answer
    x = 50,613.98

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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.