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Finding the Fourth Proportional to 50,892.86, 76,247.76 and 47,891.72

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Solution

The fourth proportional to 50,892.86, 76,247.76 and 47,891.72 is: 71,751.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,892.86 : 76,247.76 = 47,891.72 : x
  2. Step 2: Convert to fraction form
    50,892.86/76,247.76 = 47,891.72/x
  3. Step 3: Cross multiply
    50,892.86x = 76,247.76 × 47,891.72
  4. Step 4: Simplify right side
    50,892.86x = 3,651,636,372.55
  5. Step 5: Solve for x
    x = 3,651,636,372.55/50,892.86
  6. Step 6: Final answer
    x = 71,751.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.