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Finding the Fourth Proportional to 57,361.41, 85,945.05 and 35,128.38

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Solution

The fourth proportional to 57,361.41, 85,945.05 and 35,128.38 is: 52,633.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,361.41 : 85,945.05 = 35,128.38 : x
  2. Step 2: Convert to fraction form
    57,361.41/85,945.05 = 35,128.38/x
  3. Step 3: Cross multiply
    57,361.41x = 85,945.05 × 35,128.38
  4. Step 4: Simplify right side
    57,361.41x = 3,019,110,375.52
  5. Step 5: Solve for x
    x = 3,019,110,375.52/57,361.41
  6. Step 6: Final answer
    x = 52,633.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.