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Finding the Fourth Proportional to 62,364.37, 85,961.72 and 48,728.56

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Solution

The fourth proportional to 62,364.37, 85,961.72 and 48,728.56 is: 67,166.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,364.37 : 85,961.72 = 48,728.56 : x
  2. Step 2: Convert to fraction form
    62,364.37/85,961.72 = 48,728.56/x
  3. Step 3: Cross multiply
    62,364.37x = 85,961.72 × 48,728.56
  4. Step 4: Simplify right side
    62,364.37x = 4,188,790,918.85
  5. Step 5: Solve for x
    x = 4,188,790,918.85/62,364.37
  6. Step 6: Final answer
    x = 67,166.42

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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.