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Finding the Fourth Proportional to 17,481.96, 26,234.78 and 7,615.53

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Solution

The fourth proportional to 17,481.96, 26,234.78 and 7,615.53 is: 11,428.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,481.96 : 26,234.78 = 7,615.53 : x
  2. Step 2: Convert to fraction form
    17,481.96/26,234.78 = 7,615.53/x
  3. Step 3: Cross multiply
    17,481.96x = 26,234.78 × 7,615.53
  4. Step 4: Simplify right side
    17,481.96x = 199,791,716.06
  5. Step 5: Solve for x
    x = 199,791,716.06/17,481.96
  6. Step 6: Final answer
    x = 11,428.45

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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.