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Finding the Fourth Proportional to 22,255.53, 33,372.90 and 8,212.02

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Solution

The fourth proportional to 22,255.53, 33,372.90 and 8,212.02 is: 12,314.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,255.53 : 33,372.90 = 8,212.02 : x
  2. Step 2: Convert to fraction form
    22,255.53/33,372.90 = 8,212.02/x
  3. Step 3: Cross multiply
    22,255.53x = 33,372.90 × 8,212.02
  4. Step 4: Simplify right side
    22,255.53x = 274,058,922.26
  5. Step 5: Solve for x
    x = 274,058,922.26/22,255.53
  6. Step 6: Final answer
    x = 12,314.19

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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.