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Finding the Fourth Proportional to 17,400.70, 26,101.05 and 15,505.30

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Solution

The fourth proportional to 17,400.70, 26,101.05 and 15,505.30 is: 23,257.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,400.70 : 26,101.05 = 15,505.30 : x
  2. Step 2: Convert to fraction form
    17,400.70/26,101.05 = 15,505.30/x
  3. Step 3: Cross multiply
    17,400.70x = 26,101.05 × 15,505.30
  4. Step 4: Simplify right side
    17,400.70x = 404,704,610.57
  5. Step 5: Solve for x
    x = 404,704,610.57/17,400.70
  6. Step 6: Final answer
    x = 23,257.95

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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.