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Finding the Fourth Proportional to 29,912.78, 44,811.72 and 16,725.17

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Solution

The fourth proportional to 29,912.78, 44,811.72 and 16,725.17 is: 25,055.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,912.78 : 44,811.72 = 16,725.17 : x
  2. Step 2: Convert to fraction form
    29,912.78/44,811.72 = 16,725.17/x
  3. Step 3: Cross multiply
    29,912.78x = 44,811.72 × 16,725.17
  4. Step 4: Simplify right side
    29,912.78x = 749,483,410.93
  5. Step 5: Solve for x
    x = 749,483,410.93/29,912.78
  6. Step 6: Final answer
    x = 25,055.63

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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.