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Finding the Fourth Proportional to 40,788.54, 61,175.49 and 11,202.54

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Solution

The fourth proportional to 40,788.54, 61,175.49 and 11,202.54 is: 16,801.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,788.54 : 61,175.49 = 11,202.54 : x
  2. Step 2: Convert to fraction form
    40,788.54/61,175.49 = 11,202.54/x
  3. Step 3: Cross multiply
    40,788.54x = 61,175.49 × 11,202.54
  4. Step 4: Simplify right side
    40,788.54x = 685,320,873.74
  5. Step 5: Solve for x
    x = 685,320,873.74/40,788.54
  6. Step 6: Final answer
    x = 16,801.80

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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.