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Finding the Fourth Proportional to 29,137.60, 43,725.60 and 16,657.60

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Solution

The fourth proportional to 29,137.60, 43,725.60 and 16,657.60 is: 24,997.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,137.60 : 43,725.60 = 16,657.60 : x
  2. Step 2: Convert to fraction form
    29,137.60/43,725.60 = 16,657.60/x
  3. Step 3: Cross multiply
    29,137.60x = 43,725.60 × 16,657.60
  4. Step 4: Simplify right side
    29,137.60x = 728,363,554.56
  5. Step 5: Solve for x
    x = 728,363,554.56/29,137.60
  6. Step 6: Final answer
    x = 24,997.38

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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.