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Finding the Fourth Proportional to 18,231.18, 27,347.04 and 6,384.51

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Solution

The fourth proportional to 18,231.18, 27,347.04 and 6,384.51 is: 9,576.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,231.18 : 27,347.04 = 6,384.51 : x
  2. Step 2: Convert to fraction form
    18,231.18/27,347.04 = 6,384.51/x
  3. Step 3: Cross multiply
    18,231.18x = 27,347.04 × 6,384.51
  4. Step 4: Simplify right side
    18,231.18x = 174,597,450.35
  5. Step 5: Solve for x
    x = 174,597,450.35/18,231.18
  6. Step 6: Final answer
    x = 9,576.86

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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.