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Finding the Fourth Proportional to 20,340.97, 30,520.44 and 7,016.00

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Solution

The fourth proportional to 20,340.97, 30,520.44 and 7,016.00 is: 10,527.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,340.97 : 30,520.44 = 7,016.00 : x
  2. Step 2: Convert to fraction form
    20,340.97/30,520.44 = 7,016.00/x
  3. Step 3: Cross multiply
    20,340.97x = 30,520.44 × 7,016.00
  4. Step 4: Simplify right side
    20,340.97x = 214,131,254.44
  5. Step 5: Solve for x
    x = 214,131,254.44/20,340.97
  6. Step 6: Final answer
    x = 10,527.09

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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.