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Finding the Fourth Proportional to 29,578.36, 44,367.65 and 7,391.76

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Solution

The fourth proportional to 29,578.36, 44,367.65 and 7,391.76 is: 11,087.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,578.36 : 44,367.65 = 7,391.76 : x
  2. Step 2: Convert to fraction form
    29,578.36/44,367.65 = 7,391.76/x
  3. Step 3: Cross multiply
    29,578.36x = 44,367.65 × 7,391.76
  4. Step 4: Simplify right side
    29,578.36x = 327,955,020.56
  5. Step 5: Solve for x
    x = 327,955,020.56/29,578.36
  6. Step 6: Final answer
    x = 11,087.67

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.