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Finding the Fourth Proportional to 30,260.42, 41,755.31 and 16,829.97

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Solution

The fourth proportional to 30,260.42, 41,755.31 and 16,829.97 is: 23,223.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,260.42 : 41,755.31 = 16,829.97 : x
  2. Step 2: Convert to fraction form
    30,260.42/41,755.31 = 16,829.97/x
  3. Step 3: Cross multiply
    30,260.42x = 41,755.31 × 16,829.97
  4. Step 4: Simplify right side
    30,260.42x = 702,740,614.64
  5. Step 5: Solve for x
    x = 702,740,614.64/30,260.42
  6. Step 6: Final answer
    x = 23,223.10

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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.