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Finding the Fourth Proportional to 18,606.64, 27,910.77 and 5,957.68

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Solution

The fourth proportional to 18,606.64, 27,910.77 and 5,957.68 is: 8,936.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,606.64 : 27,910.77 = 5,957.68 : x
  2. Step 2: Convert to fraction form
    18,606.64/27,910.77 = 5,957.68/x
  3. Step 3: Cross multiply
    18,606.64x = 27,910.77 × 5,957.68
  4. Step 4: Simplify right side
    18,606.64x = 166,283,436.21
  5. Step 5: Solve for x
    x = 166,283,436.21/18,606.64
  6. Step 6: Final answer
    x = 8,936.78

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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.