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Finding the Fourth Proportional to 17,435.94, 26,120.97 and 13,493.94

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Solution

The fourth proportional to 17,435.94, 26,120.97 and 13,493.94 is: 20,215.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,435.94 : 26,120.97 = 13,493.94 : x
  2. Step 2: Convert to fraction form
    17,435.94/26,120.97 = 13,493.94/x
  3. Step 3: Cross multiply
    17,435.94x = 26,120.97 × 13,493.94
  4. Step 4: Simplify right side
    17,435.94x = 352,474,801.92
  5. Step 5: Solve for x
    x = 352,474,801.92/17,435.94
  6. Step 6: Final answer
    x = 20,215.42

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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.