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Finding the Fourth Proportional to 22,460.75, 33,692.75 and 8,609.75

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Solution

The fourth proportional to 22,460.75, 33,692.75 and 8,609.75 is: 12,915.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,460.75 : 33,692.75 = 8,609.75 : x
  2. Step 2: Convert to fraction form
    22,460.75/33,692.75 = 8,609.75/x
  3. Step 3: Cross multiply
    22,460.75x = 33,692.75 × 8,609.75
  4. Step 4: Simplify right side
    22,460.75x = 290,086,111.26
  5. Step 5: Solve for x
    x = 290,086,111.26/22,460.75
  6. Step 6: Final answer
    x = 12,915.25

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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.