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Finding the Fourth Proportional to 25,913.82, 38,879.04 and 9,262.56

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Solution

The fourth proportional to 25,913.82, 38,879.04 and 9,262.56 is: 13,896.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,913.82 : 38,879.04 = 9,262.56 : x
  2. Step 2: Convert to fraction form
    25,913.82/38,879.04 = 9,262.56/x
  3. Step 3: Cross multiply
    25,913.82x = 38,879.04 × 9,262.56
  4. Step 4: Simplify right side
    25,913.82x = 360,119,440.74
  5. Step 5: Solve for x
    x = 360,119,440.74/25,913.82
  6. Step 6: Final answer
    x = 13,896.81

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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.