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Finding the Fourth Proportional to 17,266.56, 25,878.53 and 8,941.79

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Solution

The fourth proportional to 17,266.56, 25,878.53 and 8,941.79 is: 13,401.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,266.56 : 25,878.53 = 8,941.79 : x
  2. Step 2: Convert to fraction form
    17,266.56/25,878.53 = 8,941.79/x
  3. Step 3: Cross multiply
    17,266.56x = 25,878.53 × 8,941.79
  4. Step 4: Simplify right side
    17,266.56x = 231,400,251.38
  5. Step 5: Solve for x
    x = 231,400,251.38/17,266.56
  6. Step 6: Final answer
    x = 13,401.64

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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.