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Finding the Fourth Proportional to 17,503.39, 26,220.11 and 11,942.94

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Solution

The fourth proportional to 17,503.39, 26,220.11 and 11,942.94 is: 17,890.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,503.39 : 26,220.11 = 11,942.94 : x
  2. Step 2: Convert to fraction form
    17,503.39/26,220.11 = 11,942.94/x
  3. Step 3: Cross multiply
    17,503.39x = 26,220.11 × 11,942.94
  4. Step 4: Simplify right side
    17,503.39x = 313,145,200.52
  5. Step 5: Solve for x
    x = 313,145,200.52/17,503.39
  6. Step 6: Final answer
    x = 17,890.55

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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.