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Finding the Fourth Proportional to 34,222.96, 47,227.19 and 19,115.84

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Solution

The fourth proportional to 34,222.96, 47,227.19 and 19,115.84 is: 26,379.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,222.96 : 47,227.19 = 19,115.84 : x
  2. Step 2: Convert to fraction form
    34,222.96/47,227.19 = 19,115.84/x
  3. Step 3: Cross multiply
    34,222.96x = 47,227.19 × 19,115.84
  4. Step 4: Simplify right side
    34,222.96x = 902,787,407.69
  5. Step 5: Solve for x
    x = 902,787,407.69/34,222.96
  6. Step 6: Final answer
    x = 26,379.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.