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Finding the Fourth Proportional to 61,788.54, 85,267.44 and 33,493.89

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Solution

The fourth proportional to 61,788.54, 85,267.44 and 33,493.89 is: 46,221.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,788.54 : 85,267.44 = 33,493.89 : x
  2. Step 2: Convert to fraction form
    61,788.54/85,267.44 = 33,493.89/x
  3. Step 3: Cross multiply
    61,788.54x = 85,267.44 × 33,493.89
  4. Step 4: Simplify right side
    61,788.54x = 2,855,938,255.94
  5. Step 5: Solve for x
    x = 2,855,938,255.94/61,788.54
  6. Step 6: Final answer
    x = 46,221.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.