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Finding the Fourth Proportional to 17,609.77, 26,423.20 and 7,747.77

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Solution

The fourth proportional to 17,609.77, 26,423.20 and 7,747.77 is: 11,625.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,609.77 : 26,423.20 = 7,747.77 : x
  2. Step 2: Convert to fraction form
    17,609.77/26,423.20 = 7,747.77/x
  3. Step 3: Cross multiply
    17,609.77x = 26,423.20 × 7,747.77
  4. Step 4: Simplify right side
    17,609.77x = 204,720,876.26
  5. Step 5: Solve for x
    x = 204,720,876.26/17,609.77
  6. Step 6: Final answer
    x = 11,625.42

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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.