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Finding the Fourth Proportional to 57,232.32, 85,795.02 and 30,939.72

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Solution

The fourth proportional to 57,232.32, 85,795.02 and 30,939.72 is: 46,380.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,232.32 : 85,795.02 = 30,939.72 : x
  2. Step 2: Convert to fraction form
    57,232.32/85,795.02 = 30,939.72/x
  3. Step 3: Cross multiply
    57,232.32x = 85,795.02 × 30,939.72
  4. Step 4: Simplify right side
    57,232.32x = 2,654,473,896.19
  5. Step 5: Solve for x
    x = 2,654,473,896.19/57,232.32
  6. Step 6: Final answer
    x = 46,380.68

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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.