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Finding the Fourth Proportional to 49,310.44, 73,969.44 and 14,250.40

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Solution

The fourth proportional to 49,310.44, 73,969.44 and 14,250.40 is: 21,376.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,310.44 : 73,969.44 = 14,250.40 : x
  2. Step 2: Convert to fraction form
    49,310.44/73,969.44 = 14,250.40/x
  3. Step 3: Cross multiply
    49,310.44x = 73,969.44 × 14,250.40
  4. Step 4: Simplify right side
    49,310.44x = 1,054,094,107.78
  5. Step 5: Solve for x
    x = 1,054,094,107.78/49,310.44
  6. Step 6: Final answer
    x = 21,376.69

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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.