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Finding the Fourth Proportional to 23,699.94, 35,553.42 and 7,899.81

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Solution

The fourth proportional to 23,699.94, 35,553.42 and 7,899.81 is: 11,850.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,699.94 : 35,553.42 = 7,899.81 : x
  2. Step 2: Convert to fraction form
    23,699.94/35,553.42 = 7,899.81/x
  3. Step 3: Cross multiply
    23,699.94x = 35,553.42 × 7,899.81
  4. Step 4: Simplify right side
    23,699.94x = 280,865,262.85
  5. Step 5: Solve for x
    x = 280,865,262.85/23,699.94
  6. Step 6: Final answer
    x = 11,850.88

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1.5x scale

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.