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Finding the Fourth Proportional to 17,193.96, 25,791.81 and 5,355.81

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Solution

The fourth proportional to 17,193.96, 25,791.81 and 5,355.81 is: 8,033.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,193.96 : 25,791.81 = 5,355.81 : x
  2. Step 2: Convert to fraction form
    17,193.96/25,791.81 = 5,355.81/x
  3. Step 3: Cross multiply
    17,193.96x = 25,791.81 × 5,355.81
  4. Step 4: Simplify right side
    17,193.96x = 138,136,033.92
  5. Step 5: Solve for x
    x = 138,136,033.92/17,193.96
  6. Step 6: Final answer
    x = 8,033.99

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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.