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Finding the Fourth Proportional to 22,795.15, 34,172.05 and 7,995.99

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Solution

The fourth proportional to 22,795.15, 34,172.05 and 7,995.99 is: 11,986.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,795.15 : 34,172.05 = 7,995.99 : x
  2. Step 2: Convert to fraction form
    22,795.15/34,172.05 = 7,995.99/x
  3. Step 3: Cross multiply
    22,795.15x = 34,172.05 × 7,995.99
  4. Step 4: Simplify right side
    22,795.15x = 273,239,369.01
  5. Step 5: Solve for x
    x = 273,239,369.01/22,795.15
  6. Step 6: Final answer
    x = 11,986.73

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1.5x scale

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.