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Finding the Fourth Proportional to 20,596.92, 30,895.24 and 5,014.56

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Solution

The fourth proportional to 20,596.92, 30,895.24 and 5,014.56 is: 7,521.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,596.92 : 30,895.24 = 5,014.56 : x
  2. Step 2: Convert to fraction form
    20,596.92/30,895.24 = 5,014.56/x
  3. Step 3: Cross multiply
    20,596.92x = 30,895.24 × 5,014.56
  4. Step 4: Simplify right side
    20,596.92x = 154,926,034.69
  5. Step 5: Solve for x
    x = 154,926,034.69/20,596.92
  6. Step 6: Final answer
    x = 7,521.81

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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.