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Finding the Fourth Proportional to 66,941.67, 92,379.84 and 36,729.75

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Solution

The fourth proportional to 66,941.67, 92,379.84 and 36,729.75 is: 50,687.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,941.67 : 92,379.84 = 36,729.75 : x
  2. Step 2: Convert to fraction form
    66,941.67/92,379.84 = 36,729.75/x
  3. Step 3: Cross multiply
    66,941.67x = 92,379.84 × 36,729.75
  4. Step 4: Simplify right side
    66,941.67x = 3,393,088,428.24
  5. Step 5: Solve for x
    x = 3,393,088,428.24/66,941.67
  6. Step 6: Final answer
    x = 50,687.24

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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.