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Finding the Fourth Proportional to 18,162.26, 27,243.35 and 4,835.26

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Solution

The fourth proportional to 18,162.26, 27,243.35 and 4,835.26 is: 7,252.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,162.26 : 27,243.35 = 4,835.26 : x
  2. Step 2: Convert to fraction form
    18,162.26/27,243.35 = 4,835.26/x
  3. Step 3: Cross multiply
    18,162.26x = 27,243.35 × 4,835.26
  4. Step 4: Simplify right side
    18,162.26x = 131,728,612.41
  5. Step 5: Solve for x
    x = 131,728,612.41/18,162.26
  6. Step 6: Final answer
    x = 7,252.88

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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.