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Finding the Fourth Proportional to 41,220.09, 61,788.60 and 16,250.48

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Solution

The fourth proportional to 41,220.09, 61,788.60 and 16,250.48 is: 24,359.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,220.09 : 61,788.60 = 16,250.48 : x
  2. Step 2: Convert to fraction form
    41,220.09/61,788.60 = 16,250.48/x
  3. Step 3: Cross multiply
    41,220.09x = 61,788.60 × 16,250.48
  4. Step 4: Simplify right side
    41,220.09x = 1,004,094,408.53
  5. Step 5: Solve for x
    x = 1,004,094,408.53/41,220.09
  6. Step 6: Final answer
    x = 24,359.35

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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.