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Finding the Fourth Proportional to 36,819, 50,840.18 and 30,014.09

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Solution

The fourth proportional to 36,819, 50,840.18 and 30,014.09 is: 41,443.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,819 : 50,840.18 = 30,014.09 : x
  2. Step 2: Convert to fraction form
    36,819/50,840.18 = 30,014.09/x
  3. Step 3: Cross multiply
    36,819x = 50,840.18 × 30,014.09
  4. Step 4: Simplify right side
    36,819x = 1,525,921,738.14
  5. Step 5: Solve for x
    x = 1,525,921,738.14/36,819
  6. Step 6: Final answer
    x = 41,443.87

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1.5x scale

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.