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Finding the Fourth Proportional to 17,755.51, 26,587.74 and 17,229.96

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Solution

The fourth proportional to 17,755.51, 26,587.74 and 17,229.96 is: 25,800.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,755.51 : 26,587.74 = 17,229.96 : x
  2. Step 2: Convert to fraction form
    17,755.51/26,587.74 = 17,229.96/x
  3. Step 3: Cross multiply
    17,755.51x = 26,587.74 × 17,229.96
  4. Step 4: Simplify right side
    17,755.51x = 458,105,696.69
  5. Step 5: Solve for x
    x = 458,105,696.69/17,755.51
  6. Step 6: Final answer
    x = 25,800.76

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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.