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Finding the Fourth Proportional to 17,755.81, 26,669.17 and 11,104.14

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Solution

The fourth proportional to 17,755.81, 26,669.17 and 11,104.14 is: 16,678.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,755.81 : 26,669.17 = 11,104.14 : x
  2. Step 2: Convert to fraction form
    17,755.81/26,669.17 = 11,104.14/x
  3. Step 3: Cross multiply
    17,755.81x = 26,669.17 × 11,104.14
  4. Step 4: Simplify right side
    17,755.81x = 296,138,098.78
  5. Step 5: Solve for x
    x = 296,138,098.78/17,755.81
  6. Step 6: Final answer
    x = 16,678.38

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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.