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Finding the Fourth Proportional to 66,650.46, 92,000.79 and 38,367.42

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Solution

The fourth proportional to 66,650.46, 92,000.79 and 38,367.42 is: 52,960.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,650.46 : 92,000.79 = 38,367.42 : x
  2. Step 2: Convert to fraction form
    66,650.46/92,000.79 = 38,367.42/x
  3. Step 3: Cross multiply
    66,650.46x = 92,000.79 × 38,367.42
  4. Step 4: Simplify right side
    66,650.46x = 3,529,832,950.26
  5. Step 5: Solve for x
    x = 3,529,832,950.26/66,650.46
  6. Step 6: Final answer
    x = 52,960.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.