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Finding the Fourth Proportional to 17,778.75, 26,668.14 and 6,091.68

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Solution

The fourth proportional to 17,778.75, 26,668.14 and 6,091.68 is: 9,137.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,778.75 : 26,668.14 = 6,091.68 : x
  2. Step 2: Convert to fraction form
    17,778.75/26,668.14 = 6,091.68/x
  3. Step 3: Cross multiply
    17,778.75x = 26,668.14 × 6,091.68
  4. Step 4: Simplify right side
    17,778.75x = 162,453,775.08
  5. Step 5: Solve for x
    x = 162,453,775.08/17,778.75
  6. Step 6: Final answer
    x = 9,137.53

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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.