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Finding the Fourth Proportional to 57,879.08, 79,869.84 and 32,380.52

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Solution

The fourth proportional to 57,879.08, 79,869.84 and 32,380.52 is: 44,683.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,879.08 : 79,869.84 = 32,380.52 : x
  2. Step 2: Convert to fraction form
    57,879.08/79,869.84 = 32,380.52/x
  3. Step 3: Cross multiply
    57,879.08x = 79,869.84 × 32,380.52
  4. Step 4: Simplify right side
    57,879.08x = 2,586,226,951.52
  5. Step 5: Solve for x
    x = 2,586,226,951.52/57,879.08
  6. Step 6: Final answer
    x = 44,683.28

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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.