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Finding the Fourth Proportional to 22,487.75, 33,733.26 and 8,636.75

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Solution

The fourth proportional to 22,487.75, 33,733.26 and 8,636.75 is: 12,955.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,487.75 : 33,733.26 = 8,636.75 : x
  2. Step 2: Convert to fraction form
    22,487.75/33,733.26 = 8,636.75/x
  3. Step 3: Cross multiply
    22,487.75x = 33,733.26 × 8,636.75
  4. Step 4: Simplify right side
    22,487.75x = 291,345,733.31
  5. Step 5: Solve for x
    x = 291,345,733.31/22,487.75
  6. Step 6: Final answer
    x = 12,955.75

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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.