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Finding the Fourth Proportional to 12,025.70, 18,033.92 and 5,009.03

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Solution

The fourth proportional to 12,025.70, 18,033.92 and 5,009.03 is: 7,511.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,025.70 : 18,033.92 = 5,009.03 : x
  2. Step 2: Convert to fraction form
    12,025.70/18,033.92 = 5,009.03/x
  3. Step 3: Cross multiply
    12,025.70x = 18,033.92 × 5,009.03
  4. Step 4: Simplify right side
    12,025.70x = 90,332,446.30
  5. Step 5: Solve for x
    x = 90,332,446.30/12,025.70
  6. Step 6: Final answer
    x = 7,511.62

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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.