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Finding the Fourth Proportional to 17,732.70, 26,611.20 and 9,835.20

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Solution

The fourth proportional to 17,732.70, 26,611.20 and 9,835.20 is: 14,759.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,732.70 : 26,611.20 = 9,835.20 : x
  2. Step 2: Convert to fraction form
    17,732.70/26,611.20 = 9,835.20/x
  3. Step 3: Cross multiply
    17,732.70x = 26,611.20 × 9,835.20
  4. Step 4: Simplify right side
    17,732.70x = 261,726,474.24
  5. Step 5: Solve for x
    x = 261,726,474.24/17,732.70
  6. Step 6: Final answer
    x = 14,759.54

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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.