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Finding the Fourth Proportional to 17,481, 26,225.94 and 5,169

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Solution

The fourth proportional to 17,481, 26,225.94 and 5,169 is: 7,754.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,481 : 26,225.94 = 5,169 : x
  2. Step 2: Convert to fraction form
    17,481/26,225.94 = 5,169/x
  3. Step 3: Cross multiply
    17,481x = 26,225.94 × 5,169
  4. Step 4: Simplify right side
    17,481x = 135,561,883.86
  5. Step 5: Solve for x
    x = 135,561,883.86/17,481
  6. Step 6: Final answer
    x = 7,754.81

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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.