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Finding the Fourth Proportional to 17,606.27, 26,408.11 and 6,507.78

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Solution

The fourth proportional to 17,606.27, 26,408.11 and 6,507.78 is: 9,761.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,606.27 : 26,408.11 = 6,507.78 : x
  2. Step 2: Convert to fraction form
    17,606.27/26,408.11 = 6,507.78/x
  3. Step 3: Cross multiply
    17,606.27x = 26,408.11 × 6,507.78
  4. Step 4: Simplify right side
    17,606.27x = 171,858,170.10
  5. Step 5: Solve for x
    x = 171,858,170.10/17,606.27
  6. Step 6: Final answer
    x = 9,761.19

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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.