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Finding the Fourth Proportional to 29,871.97, 44,812.81 and 11,158.54

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Solution

The fourth proportional to 29,871.97, 44,812.81 and 11,158.54 is: 16,739.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,871.97 : 44,812.81 = 11,158.54 : x
  2. Step 2: Convert to fraction form
    29,871.97/44,812.81 = 11,158.54/x
  3. Step 3: Cross multiply
    29,871.97x = 44,812.81 × 11,158.54
  4. Step 4: Simplify right side
    29,871.97x = 500,045,532.90
  5. Step 5: Solve for x
    x = 500,045,532.90/29,871.97
  6. Step 6: Final answer
    x = 16,739.62

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Why These Related Problems?

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