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Finding the Fourth Proportional to 17,270.01, 25,912.89 and 8,380.53

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Solution

The fourth proportional to 17,270.01, 25,912.89 and 8,380.53 is: 12,574.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,270.01 : 25,912.89 = 8,380.53 : x
  2. Step 2: Convert to fraction form
    17,270.01/25,912.89 = 8,380.53/x
  3. Step 3: Cross multiply
    17,270.01x = 25,912.89 × 8,380.53
  4. Step 4: Simplify right side
    17,270.01x = 217,163,752.03
  5. Step 5: Solve for x
    x = 217,163,752.03/17,270.01
  6. Step 6: Final answer
    x = 12,574.62

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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.