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Finding the Fourth Proportional to 46,351.50, 69,529.41 and 13,519.50

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Solution

The fourth proportional to 46,351.50, 69,529.41 and 13,519.50 is: 20,279.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,351.50 : 69,529.41 = 13,519.50 : x
  2. Step 2: Convert to fraction form
    46,351.50/69,529.41 = 13,519.50/x
  3. Step 3: Cross multiply
    46,351.50x = 69,529.41 × 13,519.50
  4. Step 4: Simplify right side
    46,351.50x = 940,002,858.50
  5. Step 5: Solve for x
    x = 940,002,858.50/46,351.50
  6. Step 6: Final answer
    x = 20,279.88

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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.