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Finding the Fourth Proportional to 57,863.20, 86,833.20 and 32,903.20

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Solution

The fourth proportional to 57,863.20, 86,833.20 and 32,903.20 is: 49,376.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,863.20 : 86,833.20 = 32,903.20 : x
  2. Step 2: Convert to fraction form
    57,863.20/86,833.20 = 32,903.20/x
  3. Step 3: Cross multiply
    57,863.20x = 86,833.20 × 32,903.20
  4. Step 4: Simplify right side
    57,863.20x = 2,857,090,146.24
  5. Step 5: Solve for x
    x = 2,857,090,146.24/57,863.20
  6. Step 6: Final answer
    x = 49,376.64

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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.