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Finding the Fourth Proportional to 17,297.72, 25,948.49 and 7,437.99

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Solution

The fourth proportional to 17,297.72, 25,948.49 and 7,437.99 is: 11,157.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,297.72 : 25,948.49 = 7,437.99 : x
  2. Step 2: Convert to fraction form
    17,297.72/25,948.49 = 7,437.99/x
  3. Step 3: Cross multiply
    17,297.72x = 25,948.49 × 7,437.99
  4. Step 4: Simplify right side
    17,297.72x = 193,004,571.95
  5. Step 5: Solve for x
    x = 193,004,571.95/17,297.72
  6. Step 6: Final answer
    x = 11,157.81

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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.