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Finding the Fourth Proportional to 30,187, 41,658.12 and 17,612.56

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Solution

The fourth proportional to 30,187, 41,658.12 and 17,612.56 is: 24,305.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,187 : 41,658.12 = 17,612.56 : x
  2. Step 2: Convert to fraction form
    30,187/41,658.12 = 17,612.56/x
  3. Step 3: Cross multiply
    30,187x = 41,658.12 × 17,612.56
  4. Step 4: Simplify right side
    30,187x = 733,706,137.99
  5. Step 5: Solve for x
    x = 733,706,137.99/30,187
  6. Step 6: Final answer
    x = 24,305.37

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