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Finding the Fourth Proportional to 36,642.33, 54,963.63 and 8,940.33

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Solution

The fourth proportional to 36,642.33, 54,963.63 and 8,940.33 is: 13,410.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,642.33 : 54,963.63 = 8,940.33 : x
  2. Step 2: Convert to fraction form
    36,642.33/54,963.63 = 8,940.33/x
  3. Step 3: Cross multiply
    36,642.33x = 54,963.63 × 8,940.33
  4. Step 4: Simplify right side
    36,642.33x = 491,392,990.20
  5. Step 5: Solve for x
    x = 491,392,990.20/36,642.33
  6. Step 6: Final answer
    x = 13,410.53

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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.