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Finding the Fourth Proportional to 62,157.96, 85,777.78 and 33,863.56

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Solution

The fourth proportional to 62,157.96, 85,777.78 and 33,863.56 is: 46,731.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,157.96 : 85,777.78 = 33,863.56 : x
  2. Step 2: Convert to fraction form
    62,157.96/85,777.78 = 33,863.56/x
  3. Step 3: Cross multiply
    62,157.96x = 85,777.78 × 33,863.56
  4. Step 4: Simplify right side
    62,157.96x = 2,904,740,999.70
  5. Step 5: Solve for x
    x = 2,904,740,999.70/62,157.96
  6. Step 6: Final answer
    x = 46,731.60

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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.