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Finding the Fourth Proportional to 17,441.80, 26,167.02 and 5,129.80

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Solution

The fourth proportional to 17,441.80, 26,167.02 and 5,129.80 is: 7,695.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,441.80 : 26,167.02 = 5,129.80 : x
  2. Step 2: Convert to fraction form
    17,441.80/26,167.02 = 5,129.80/x
  3. Step 3: Cross multiply
    17,441.80x = 26,167.02 × 5,129.80
  4. Step 4: Simplify right side
    17,441.80x = 134,231,579.20
  5. Step 5: Solve for x
    x = 134,231,579.20/17,441.80
  6. Step 6: Final answer
    x = 7,695.97

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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.