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Finding the Fourth Proportional to 17,635.05, 26,425.17 and 10,221.12

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Solution

The fourth proportional to 17,635.05, 26,425.17 and 10,221.12 is: 15,315.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,635.05 : 26,425.17 = 10,221.12 : x
  2. Step 2: Convert to fraction form
    17,635.05/26,425.17 = 10,221.12/x
  3. Step 3: Cross multiply
    17,635.05x = 26,425.17 × 10,221.12
  4. Step 4: Simplify right side
    17,635.05x = 270,094,833.59
  5. Step 5: Solve for x
    x = 270,094,833.59/17,635.05
  6. Step 6: Final answer
    x = 15,315.80

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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.