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Finding the Fourth Proportional to 57,380, 79,188.44 and 32,229.52

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Solution

The fourth proportional to 57,380, 79,188.44 and 32,229.52 is: 44,479.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,380 : 79,188.44 = 32,229.52 : x
  2. Step 2: Convert to fraction form
    57,380/79,188.44 = 32,229.52/x
  3. Step 3: Cross multiply
    57,380x = 79,188.44 × 32,229.52
  4. Step 4: Simplify right side
    57,380x = 2,552,205,410.75
  5. Step 5: Solve for x
    x = 2,552,205,410.75/57,380
  6. Step 6: Final answer
    x = 44,479.01

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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.