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Finding the Fourth Proportional to 25,174.49, 37,759.28 and 7,644.47

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Solution

The fourth proportional to 25,174.49, 37,759.28 and 7,644.47 is: 11,465.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,174.49 : 37,759.28 = 7,644.47 : x
  2. Step 2: Convert to fraction form
    25,174.49/37,759.28 = 7,644.47/x
  3. Step 3: Cross multiply
    25,174.49x = 37,759.28 × 7,644.47
  4. Step 4: Simplify right side
    25,174.49x = 288,649,456.16
  5. Step 5: Solve for x
    x = 288,649,456.16/25,174.49
  6. Step 6: Final answer
    x = 11,465.95

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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.