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Finding the Fourth Proportional to 12,025.46, 18,033.87 and 7,029.54

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Solution

The fourth proportional to 12,025.46, 18,033.87 and 7,029.54 is: 10,541.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,025.46 : 18,033.87 = 7,029.54 : x
  2. Step 2: Convert to fraction form
    12,025.46/18,033.87 = 7,029.54/x
  3. Step 3: Cross multiply
    12,025.46x = 18,033.87 × 7,029.54
  4. Step 4: Simplify right side
    12,025.46x = 126,769,810.52
  5. Step 5: Solve for x
    x = 126,769,810.52/12,025.46
  6. Step 6: Final answer
    x = 10,541.78

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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.