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Finding the Fourth Proportional to 36,797.78, 55,204.88 and 13,424.22

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Solution

The fourth proportional to 36,797.78, 55,204.88 and 13,424.22 is: 20,139.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,797.78 : 55,204.88 = 13,424.22 : x
  2. Step 2: Convert to fraction form
    36,797.78/55,204.88 = 13,424.22/x
  3. Step 3: Cross multiply
    36,797.78x = 55,204.88 × 13,424.22
  4. Step 4: Simplify right side
    36,797.78x = 741,082,387.07
  5. Step 5: Solve for x
    x = 741,082,387.07/36,797.78
  6. Step 6: Final answer
    x = 20,139.32

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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.