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Finding the Fourth Proportional to 29,871.47, 44,812.07 and 11,158.04

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Solution

The fourth proportional to 29,871.47, 44,812.07 and 11,158.04 is: 16,738.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,871.47 : 44,812.07 = 11,158.04 : x
  2. Step 2: Convert to fraction form
    29,871.47/44,812.07 = 11,158.04/x
  3. Step 3: Cross multiply
    29,871.47x = 44,812.07 × 11,158.04
  4. Step 4: Simplify right side
    29,871.47x = 500,014,589.69
  5. Step 5: Solve for x
    x = 500,014,589.69/29,871.47
  6. Step 6: Final answer
    x = 16,738.87

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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.