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Finding the Fourth Proportional to 30,158.94, 41,617.89 and 16,729.14

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Solution

The fourth proportional to 30,158.94, 41,617.89 and 16,729.14 is: 23,085.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,158.94 : 41,617.89 = 16,729.14 : x
  2. Step 2: Convert to fraction form
    30,158.94/41,617.89 = 16,729.14/x
  3. Step 3: Cross multiply
    30,158.94x = 41,617.89 × 16,729.14
  4. Step 4: Simplify right side
    30,158.94x = 696,231,508.31
  5. Step 5: Solve for x
    x = 696,231,508.31/30,158.94
  6. Step 6: Final answer
    x = 23,085.41

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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.