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Finding the Fourth Proportional to 36,511.25, 54,766.88 and 8,809.25

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Solution

The fourth proportional to 36,511.25, 54,766.88 and 8,809.25 is: 13,213.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,511.25 : 54,766.88 = 8,809.25 : x
  2. Step 2: Convert to fraction form
    36,511.25/54,766.88 = 8,809.25/x
  3. Step 3: Cross multiply
    36,511.25x = 54,766.88 × 8,809.25
  4. Step 4: Simplify right side
    36,511.25x = 482,455,093.59
  5. Step 5: Solve for x
    x = 482,455,093.59/36,511.25
  6. Step 6: Final answer
    x = 13,213.88

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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.