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Finding the Fourth Proportional to 17,757.46, 26,629.27 and 6,658.10

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Solution

The fourth proportional to 17,757.46, 26,629.27 and 6,658.10 is: 9,984.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,757.46 : 26,629.27 = 6,658.10 : x
  2. Step 2: Convert to fraction form
    17,757.46/26,629.27 = 6,658.10/x
  3. Step 3: Cross multiply
    17,757.46x = 26,629.27 × 6,658.10
  4. Step 4: Simplify right side
    17,757.46x = 177,300,309.30
  5. Step 5: Solve for x
    x = 177,300,309.30/17,757.46
  6. Step 6: Final answer
    x = 9,984.55

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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.