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Finding the Fourth Proportional to 17,166.55, 25,760.66 and 7,305.81

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Solution

The fourth proportional to 17,166.55, 25,760.66 and 7,305.81 is: 10,963.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,166.55 : 25,760.66 = 7,305.81 : x
  2. Step 2: Convert to fraction form
    17,166.55/25,760.66 = 7,305.81/x
  3. Step 3: Cross multiply
    17,166.55x = 25,760.66 × 7,305.81
  4. Step 4: Simplify right side
    17,166.55x = 188,202,487.43
  5. Step 5: Solve for x
    x = 188,202,487.43/17,166.55
  6. Step 6: Final answer
    x = 10,963.33

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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.