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Finding the Fourth Proportional to 29,914.99, 44,861.55 and 12,375.25

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Solution

The fourth proportional to 29,914.99, 44,861.55 and 12,375.25 is: 18,558.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,914.99 : 44,861.55 = 12,375.25 : x
  2. Step 2: Convert to fraction form
    29,914.99/44,861.55 = 12,375.25/x
  3. Step 3: Cross multiply
    29,914.99x = 44,861.55 × 12,375.25
  4. Step 4: Simplify right side
    29,914.99x = 555,172,896.64
  5. Step 5: Solve for x
    x = 555,172,896.64/29,914.99
  6. Step 6: Final answer
    x = 18,558.35

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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.