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Finding the Fourth Proportional to 26,695.50, 40,043.24 and 10,907.98

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Solution

The fourth proportional to 26,695.50, 40,043.24 and 10,907.98 is: 16,361.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,695.50 : 40,043.24 = 10,907.98 : x
  2. Step 2: Convert to fraction form
    26,695.50/40,043.24 = 10,907.98/x
  3. Step 3: Cross multiply
    26,695.50x = 40,043.24 × 10,907.98
  4. Step 4: Simplify right side
    26,695.50x = 436,790,861.06
  5. Step 5: Solve for x
    x = 436,790,861.06/26,695.50
  6. Step 6: Final answer
    x = 16,361.97

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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.