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Finding the Fourth Proportional to 57,193.34, 78,931.28 and 36,793.62

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Solution

The fourth proportional to 57,193.34, 78,931.28 and 36,793.62 is: 50,778.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,193.34 : 78,931.28 = 36,793.62 : x
  2. Step 2: Convert to fraction form
    57,193.34/78,931.28 = 36,793.62/x
  3. Step 3: Cross multiply
    57,193.34x = 78,931.28 × 36,793.62
  4. Step 4: Simplify right side
    57,193.34x = 2,904,167,522.43
  5. Step 5: Solve for x
    x = 2,904,167,522.43/57,193.34
  6. Step 6: Final answer
    x = 50,778.07

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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.