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Finding the Fourth Proportional to 35,279.94, 52,908.98 and 11,900.91

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Solution

The fourth proportional to 35,279.94, 52,908.98 and 11,900.91 is: 17,847.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,279.94 : 52,908.98 = 11,900.91 : x
  2. Step 2: Convert to fraction form
    35,279.94/52,908.98 = 11,900.91/x
  3. Step 3: Cross multiply
    35,279.94x = 52,908.98 × 11,900.91
  4. Step 4: Simplify right side
    35,279.94x = 629,664,949.67
  5. Step 5: Solve for x
    x = 629,664,949.67/35,279.94
  6. Step 6: Final answer
    x = 17,847.68

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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.