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Finding the Fourth Proportional to 29,418.99, 40,604.11 and 17,480.03

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Solution

The fourth proportional to 29,418.99, 40,604.11 and 17,480.03 is: 24,125.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,418.99 : 40,604.11 = 17,480.03 : x
  2. Step 2: Convert to fraction form
    29,418.99/40,604.11 = 17,480.03/x
  3. Step 3: Cross multiply
    29,418.99x = 40,604.11 × 17,480.03
  4. Step 4: Simplify right side
    29,418.99x = 709,761,060.92
  5. Step 5: Solve for x
    x = 709,761,060.92/29,418.99
  6. Step 6: Final answer
    x = 24,125.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.