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Finding the Fourth Proportional to 16,757.64, 25,129.56 and 7,270.56

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Solution

The fourth proportional to 16,757.64, 25,129.56 and 7,270.56 is: 10,902.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,757.64 : 25,129.56 = 7,270.56 : x
  2. Step 2: Convert to fraction form
    16,757.64/25,129.56 = 7,270.56/x
  3. Step 3: Cross multiply
    16,757.64x = 25,129.56 × 7,270.56
  4. Step 4: Simplify right side
    16,757.64x = 182,705,973.75
  5. Step 5: Solve for x
    x = 182,705,973.75/16,757.64
  6. Step 6: Final answer
    x = 10,902.85

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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.