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Finding the Fourth Proportional to 29,578.48, 44,367.84 and 7,391.89

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Solution

The fourth proportional to 29,578.48, 44,367.84 and 7,391.89 is: 11,087.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,578.48 : 44,367.84 = 7,391.89 : x
  2. Step 2: Convert to fraction form
    29,578.48/44,367.84 = 7,391.89/x
  3. Step 3: Cross multiply
    29,578.48x = 44,367.84 × 7,391.89
  4. Step 4: Simplify right side
    29,578.48x = 327,961,998.71
  5. Step 5: Solve for x
    x = 327,961,998.71/29,578.48
  6. Step 6: Final answer
    x = 11,087.86

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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.