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Finding the Fourth Proportional to 17,123.73, 25,685.23 and 7,889.73

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Solution

The fourth proportional to 17,123.73, 25,685.23 and 7,889.73 is: 11,834.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,123.73 : 25,685.23 = 7,889.73 : x
  2. Step 2: Convert to fraction form
    17,123.73/25,685.23 = 7,889.73/x
  3. Step 3: Cross multiply
    17,123.73x = 25,685.23 × 7,889.73
  4. Step 4: Simplify right side
    17,123.73x = 202,649,529.69
  5. Step 5: Solve for x
    x = 202,649,529.69/17,123.73
  6. Step 6: Final answer
    x = 11,834.43

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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.