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Finding the Fourth Proportional to 36,843.80, 55,254.74 and 13,464.78

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Solution

The fourth proportional to 36,843.80, 55,254.74 and 13,464.78 is: 20,193.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,843.80 : 55,254.74 = 13,464.78 : x
  2. Step 2: Convert to fraction form
    36,843.80/55,254.74 = 13,464.78/x
  3. Step 3: Cross multiply
    36,843.80x = 55,254.74 × 13,464.78
  4. Step 4: Simplify right side
    36,843.80x = 743,992,918.06
  5. Step 5: Solve for x
    x = 743,992,918.06/36,843.80
  6. Step 6: Final answer
    x = 20,193.16

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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.