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Finding the Fourth Proportional to 57,790.30, 86,592.30 and 32,755.90

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Solution

The fourth proportional to 57,790.30, 86,592.30 and 32,755.90 is: 49,081.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,790.30 : 86,592.30 = 32,755.90 : x
  2. Step 2: Convert to fraction form
    57,790.30/86,592.30 = 32,755.90/x
  3. Step 3: Cross multiply
    57,790.30x = 86,592.30 × 32,755.90
  4. Step 4: Simplify right side
    57,790.30x = 2,836,408,719.57
  5. Step 5: Solve for x
    x = 2,836,408,719.57/57,790.30
  6. Step 6: Final answer
    x = 49,081.05

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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.