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Finding the Fourth Proportional to 29,651.12, 40,917.92 and 16,222.34

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Solution

The fourth proportional to 29,651.12, 40,917.92 and 16,222.34 is: 22,386.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,651.12 : 40,917.92 = 16,222.34 : x
  2. Step 2: Convert to fraction form
    29,651.12/40,917.92 = 16,222.34/x
  3. Step 3: Cross multiply
    29,651.12x = 40,917.92 × 16,222.34
  4. Step 4: Simplify right side
    29,651.12x = 663,784,410.33
  5. Step 5: Solve for x
    x = 663,784,410.33/29,651.12
  6. Step 6: Final answer
    x = 22,386.49

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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.