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Finding the Fourth Proportional to 29,578.76, 44,367.96 and 7,392.02

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Solution

The fourth proportional to 29,578.76, 44,367.96 and 7,392.02 is: 11,087.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,578.76 : 44,367.96 = 7,392.02 : x
  2. Step 2: Convert to fraction form
    29,578.76/44,367.96 = 7,392.02/x
  3. Step 3: Cross multiply
    29,578.76x = 44,367.96 × 7,392.02
  4. Step 4: Simplify right side
    29,578.76x = 327,968,847.68
  5. Step 5: Solve for x
    x = 327,968,847.68/29,578.76
  6. Step 6: Final answer
    x = 11,087.99

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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.