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Finding the Fourth Proportional to 17,465.80, 26,147.22 and 11,531.80

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Solution

The fourth proportional to 17,465.80, 26,147.22 and 11,531.80 is: 17,263.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,465.80 : 26,147.22 = 11,531.80 : x
  2. Step 2: Convert to fraction form
    17,465.80/26,147.22 = 11,531.80/x
  3. Step 3: Cross multiply
    17,465.80x = 26,147.22 × 11,531.80
  4. Step 4: Simplify right side
    17,465.80x = 301,524,511.60
  5. Step 5: Solve for x
    x = 301,524,511.60/17,465.80
  6. Step 6: Final answer
    x = 17,263.71

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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.