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Finding the Fourth Proportional to 18,171.44, 27,254.92 and 4,845.46

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Solution

The fourth proportional to 18,171.44, 27,254.92 and 4,845.46 is: 7,267.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,171.44 : 27,254.92 = 4,845.46 : x
  2. Step 2: Convert to fraction form
    18,171.44/27,254.92 = 4,845.46/x
  3. Step 3: Cross multiply
    18,171.44x = 27,254.92 × 4,845.46
  4. Step 4: Simplify right side
    18,171.44x = 132,062,624.66
  5. Step 5: Solve for x
    x = 132,062,624.66/18,171.44
  6. Step 6: Final answer
    x = 7,267.59

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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.