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Finding the Fourth Proportional to 17,745.09, 26,613.09 and 5,262.20

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Solution

The fourth proportional to 17,745.09, 26,613.09 and 5,262.20 is: 7,891.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,745.09 : 26,613.09 = 5,262.20 : x
  2. Step 2: Convert to fraction form
    17,745.09/26,613.09 = 5,262.20/x
  3. Step 3: Cross multiply
    17,745.09x = 26,613.09 × 5,262.20
  4. Step 4: Simplify right side
    17,745.09x = 140,043,402.20
  5. Step 5: Solve for x
    x = 140,043,402.20/17,745.09
  6. Step 6: Final answer
    x = 7,891.95

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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.