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Finding the Fourth Proportional to 17,254.53, 25,856.09 and 8,923.42

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Solution

The fourth proportional to 17,254.53, 25,856.09 and 8,923.42 is: 13,371.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,254.53 : 25,856.09 = 8,923.42 : x
  2. Step 2: Convert to fraction form
    17,254.53/25,856.09 = 8,923.42/x
  3. Step 3: Cross multiply
    17,254.53x = 25,856.09 × 8,923.42
  4. Step 4: Simplify right side
    17,254.53x = 230,724,641.37
  5. Step 5: Solve for x
    x = 230,724,641.37/17,254.53
  6. Step 6: Final answer
    x = 13,371.83

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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.