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Finding the Fourth Proportional to 57,981.93, 80,054.05 and 36,211.37

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Solution

The fourth proportional to 57,981.93, 80,054.05 and 36,211.37 is: 49,996.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,981.93 : 80,054.05 = 36,211.37 : x
  2. Step 2: Convert to fraction form
    57,981.93/80,054.05 = 36,211.37/x
  3. Step 3: Cross multiply
    57,981.93x = 80,054.05 × 36,211.37
  4. Step 4: Simplify right side
    57,981.93x = 2,898,866,824.55
  5. Step 5: Solve for x
    x = 2,898,866,824.55/57,981.93
  6. Step 6: Final answer
    x = 49,996.04

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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.