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Finding the Fourth Proportional to 34,448.18, 51,662 and 13,391.49

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Solution

The fourth proportional to 34,448.18, 51,662 and 13,391.49 is: 20,083.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,448.18 : 51,662 = 13,391.49 : x
  2. Step 2: Convert to fraction form
    34,448.18/51,662 = 13,391.49/x
  3. Step 3: Cross multiply
    34,448.18x = 51,662 × 13,391.49
  4. Step 4: Simplify right side
    34,448.18x = 691,831,156.38
  5. Step 5: Solve for x
    x = 691,831,156.38/34,448.18
  6. Step 6: Final answer
    x = 20,083.24

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.