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Finding the Fourth Proportional to 62,063.87, 85,431.84 and 54,092.25

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Solution

The fourth proportional to 62,063.87, 85,431.84 and 54,092.25 is: 74,458.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,063.87 : 85,431.84 = 54,092.25 : x
  2. Step 2: Convert to fraction form
    62,063.87/85,431.84 = 54,092.25/x
  3. Step 3: Cross multiply
    62,063.87x = 85,431.84 × 54,092.25
  4. Step 4: Simplify right side
    62,063.87x = 4,621,200,447.24
  5. Step 5: Solve for x
    x = 4,621,200,447.24/62,063.87
  6. Step 6: Final answer
    x = 74,458.79

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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.