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Finding the Fourth Proportional to 36,167.88, 49,912.56 and 20,255.58

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Solution

The fourth proportional to 36,167.88, 49,912.56 and 20,255.58 is: 27,953.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,167.88 : 49,912.56 = 20,255.58 : x
  2. Step 2: Convert to fraction form
    36,167.88/49,912.56 = 20,255.58/x
  3. Step 3: Cross multiply
    36,167.88x = 49,912.56 × 20,255.58
  4. Step 4: Simplify right side
    36,167.88x = 1,011,007,852.08
  5. Step 5: Solve for x
    x = 1,011,007,852.08/36,167.88
  6. Step 6: Final answer
    x = 27,953.20

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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.