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Finding the Fourth Proportional to 49,818.86, 68,769.21 and 36,495.93

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Solution

The fourth proportional to 49,818.86, 68,769.21 and 36,495.93 is: 50,378.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,818.86 : 68,769.21 = 36,495.93 : x
  2. Step 2: Convert to fraction form
    49,818.86/68,769.21 = 36,495.93/x
  3. Step 3: Cross multiply
    49,818.86x = 68,769.21 × 36,495.93
  4. Step 4: Simplify right side
    49,818.86x = 2,509,796,274.32
  5. Step 5: Solve for x
    x = 2,509,796,274.32/49,818.86
  6. Step 6: Final answer
    x = 50,378.44

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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.