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Finding the Fourth Proportional to 29,356.38, 44,034.41 and 7,169.87

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Solution

The fourth proportional to 29,356.38, 44,034.41 and 7,169.87 is: 10,754.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,356.38 : 44,034.41 = 7,169.87 : x
  2. Step 2: Convert to fraction form
    29,356.38/44,034.41 = 7,169.87/x
  3. Step 3: Cross multiply
    29,356.38x = 44,034.41 × 7,169.87
  4. Step 4: Simplify right side
    29,356.38x = 315,720,867.22
  5. Step 5: Solve for x
    x = 315,720,867.22/29,356.38
  6. Step 6: Final answer
    x = 10,754.76

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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.