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Finding the Fourth Proportional to 49,262.65, 73,912.20 and 19,701.70

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Solution

The fourth proportional to 49,262.65, 73,912.20 and 19,701.70 is: 29,559.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,262.65 : 73,912.20 = 19,701.70 : x
  2. Step 2: Convert to fraction form
    49,262.65/73,912.20 = 19,701.70/x
  3. Step 3: Cross multiply
    49,262.65x = 73,912.20 × 19,701.70
  4. Step 4: Simplify right side
    49,262.65x = 1,456,195,990.74
  5. Step 5: Solve for x
    x = 1,456,195,990.74/49,262.65
  6. Step 6: Final answer
    x = 29,559.84

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Why These Related Problems?

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