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Finding the Fourth Proportional to 61,850.57, 85,354.08 and 33,556.25

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Solution

The fourth proportional to 61,850.57, 85,354.08 and 33,556.25 is: 46,307.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,850.57 : 85,354.08 = 33,556.25 : x
  2. Step 2: Convert to fraction form
    61,850.57/85,354.08 = 33,556.25/x
  3. Step 3: Cross multiply
    61,850.57x = 85,354.08 × 33,556.25
  4. Step 4: Simplify right side
    61,850.57x = 2,864,162,847
  5. Step 5: Solve for x
    x = 2,864,162,847/61,850.57
  6. Step 6: Final answer
    x = 46,307.78

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1.5x scale

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.