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Finding the Fourth Proportional to 18,230.35, 27,331.51 and 8,362.51

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Solution

The fourth proportional to 18,230.35, 27,331.51 and 8,362.51 is: 12,537.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,230.35 : 27,331.51 = 8,362.51 : x
  2. Step 2: Convert to fraction form
    18,230.35/27,331.51 = 8,362.51/x
  3. Step 3: Cross multiply
    18,230.35x = 27,331.51 × 8,362.51
  4. Step 4: Simplify right side
    18,230.35x = 228,560,025.69
  5. Step 5: Solve for x
    x = 228,560,025.69/18,230.35
  6. Step 6: Final answer
    x = 12,537.34

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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.