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Finding the Fourth Proportional to 17,125.72, 25,687.12 and 6,737.44

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Solution

The fourth proportional to 17,125.72, 25,687.12 and 6,737.44 is: 10,105.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,125.72 : 25,687.12 = 6,737.44 : x
  2. Step 2: Convert to fraction form
    17,125.72/25,687.12 = 6,737.44/x
  3. Step 3: Cross multiply
    17,125.72x = 25,687.12 × 6,737.44
  4. Step 4: Simplify right side
    17,125.72x = 173,065,429.77
  5. Step 5: Solve for x
    x = 173,065,429.77/17,125.72
  6. Step 6: Final answer
    x = 10,105.59

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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.