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Finding the Fourth Proportional to 44,311, 66,429.24 and 18,034.60

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Solution

The fourth proportional to 44,311, 66,429.24 and 18,034.60 is: 27,036.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,311 : 66,429.24 = 18,034.60 : x
  2. Step 2: Convert to fraction form
    44,311/66,429.24 = 18,034.60/x
  3. Step 3: Cross multiply
    44,311x = 66,429.24 × 18,034.60
  4. Step 4: Simplify right side
    44,311x = 1,198,024,771.70
  5. Step 5: Solve for x
    x = 1,198,024,771.70/44,311
  6. Step 6: Final answer
    x = 27,036.74

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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.