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Finding the Fourth Proportional to 17,773.33, 26,638.79 and 8,272.87

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Solution

The fourth proportional to 17,773.33, 26,638.79 and 8,272.87 is: 12,399.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,773.33 : 26,638.79 = 8,272.87 : x
  2. Step 2: Convert to fraction form
    17,773.33/26,638.79 = 8,272.87/x
  3. Step 3: Cross multiply
    17,773.33x = 26,638.79 × 8,272.87
  4. Step 4: Simplify right side
    17,773.33x = 220,379,246.63
  5. Step 5: Solve for x
    x = 220,379,246.63/17,773.33
  6. Step 6: Final answer
    x = 12,399.43

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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.