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Finding the Fourth Proportional to 17,193.25, 25,790.11 and 5,506.47

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Solution

The fourth proportional to 17,193.25, 25,790.11 and 5,506.47 is: 8,259.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,193.25 : 25,790.11 = 5,506.47 : x
  2. Step 2: Convert to fraction form
    17,193.25/25,790.11 = 5,506.47/x
  3. Step 3: Cross multiply
    17,193.25x = 25,790.11 × 5,506.47
  4. Step 4: Simplify right side
    17,193.25x = 142,012,439.48
  5. Step 5: Solve for x
    x = 142,012,439.48/17,193.25
  6. Step 6: Final answer
    x = 8,259.78

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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.