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Finding the Fourth Proportional to 18,367.89, 27,549.84 and 5,896.80

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Solution

The fourth proportional to 18,367.89, 27,549.84 and 5,896.80 is: 8,844.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,367.89 : 27,549.84 = 5,896.80 : x
  2. Step 2: Convert to fraction form
    18,367.89/27,549.84 = 5,896.80/x
  3. Step 3: Cross multiply
    18,367.89x = 27,549.84 × 5,896.80
  4. Step 4: Simplify right side
    18,367.89x = 162,455,896.51
  5. Step 5: Solve for x
    x = 162,455,896.51/18,367.89
  6. Step 6: Final answer
    x = 8,844.56

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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.