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Finding the Fourth Proportional to 36,614.54, 54,859.11 and 19,986.24

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Solution

The fourth proportional to 36,614.54, 54,859.11 and 19,986.24 is: 29,945.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,614.54 : 54,859.11 = 19,986.24 : x
  2. Step 2: Convert to fraction form
    36,614.54/54,859.11 = 19,986.24/x
  3. Step 3: Cross multiply
    36,614.54x = 54,859.11 × 19,986.24
  4. Step 4: Simplify right side
    36,614.54x = 1,096,427,338.65
  5. Step 5: Solve for x
    x = 1,096,427,338.65/36,614.54
  6. Step 6: Final answer
    x = 29,945.14

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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.