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Finding the Fourth Proportional to 36,453.63, 50,306.01 and 19,686.63

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Solution

The fourth proportional to 36,453.63, 50,306.01 and 19,686.63 is: 27,167.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,453.63 : 50,306.01 = 19,686.63 : x
  2. Step 2: Convert to fraction form
    36,453.63/50,306.01 = 19,686.63/x
  3. Step 3: Cross multiply
    36,453.63x = 50,306.01 × 19,686.63
  4. Step 4: Simplify right side
    36,453.63x = 990,355,805.65
  5. Step 5: Solve for x
    x = 990,355,805.65/36,453.63
  6. Step 6: Final answer
    x = 27,167.55

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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.