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Finding the Fourth Proportional to 17,272.56, 23,830.56 and 11,310.96

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Solution

The fourth proportional to 17,272.56, 23,830.56 and 11,310.96 is: 15,605.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,272.56 : 23,830.56 = 11,310.96 : x
  2. Step 2: Convert to fraction form
    17,272.56/23,830.56 = 11,310.96/x
  3. Step 3: Cross multiply
    17,272.56x = 23,830.56 × 11,310.96
  4. Step 4: Simplify right side
    17,272.56x = 269,546,510.94
  5. Step 5: Solve for x
    x = 269,546,510.94/17,272.56
  6. Step 6: Final answer
    x = 15,605.48

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.