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Finding the Fourth Proportional to 36,170.88, 49,920.09 and 20,252.25

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Solution

The fourth proportional to 36,170.88, 49,920.09 and 20,252.25 is: 27,950.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,170.88 : 49,920.09 = 20,252.25 : x
  2. Step 2: Convert to fraction form
    36,170.88/49,920.09 = 20,252.25/x
  3. Step 3: Cross multiply
    36,170.88x = 49,920.09 × 20,252.25
  4. Step 4: Simplify right side
    36,170.88x = 1,010,994,142.70
  5. Step 5: Solve for x
    x = 1,010,994,142.70/36,170.88
  6. Step 6: Final answer
    x = 27,950.50

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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.