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Finding the Fourth Proportional to 15,859.14, 23,789.73 and 5,328.73

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Solution

The fourth proportional to 15,859.14, 23,789.73 and 5,328.73 is: 7,993.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,859.14 : 23,789.73 = 5,328.73 : x
  2. Step 2: Convert to fraction form
    15,859.14/23,789.73 = 5,328.73/x
  3. Step 3: Cross multiply
    15,859.14x = 23,789.73 × 5,328.73
  4. Step 4: Simplify right side
    15,859.14x = 126,769,047.94
  5. Step 5: Solve for x
    x = 126,769,047.94/15,859.14
  6. Step 6: Final answer
    x = 7,993.44

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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.