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Finding the Fourth Proportional to 50,499.46, 69,734.11 and 31,411.94

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Solution

The fourth proportional to 50,499.46, 69,734.11 and 31,411.94 is: 43,376.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,499.46 : 69,734.11 = 31,411.94 : x
  2. Step 2: Convert to fraction form
    50,499.46/69,734.11 = 31,411.94/x
  3. Step 3: Cross multiply
    50,499.46x = 69,734.11 × 31,411.94
  4. Step 4: Simplify right side
    50,499.46x = 2,190,483,679.27
  5. Step 5: Solve for x
    x = 2,190,483,679.27/50,499.46
  6. Step 6: Final answer
    x = 43,376.38

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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.