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Finding the Fourth Proportional to 61,648.46, 85,074.25 and 33,353.54

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Solution

The fourth proportional to 61,648.46, 85,074.25 and 33,353.54 is: 46,027.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,648.46 : 85,074.25 = 33,353.54 : x
  2. Step 2: Convert to fraction form
    61,648.46/85,074.25 = 33,353.54/x
  3. Step 3: Cross multiply
    61,648.46x = 85,074.25 × 33,353.54
  4. Step 4: Simplify right side
    61,648.46x = 2,837,527,400.35
  5. Step 5: Solve for x
    x = 2,837,527,400.35/61,648.46
  6. Step 6: Final answer
    x = 46,027.55

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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.