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Finding the Fourth Proportional to 52,744.92, 72,712.20 and 37,611.30

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Solution

The fourth proportional to 52,744.92, 72,712.20 and 37,611.30 is: 51,849.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,744.92 : 72,712.20 = 37,611.30 : x
  2. Step 2: Convert to fraction form
    52,744.92/72,712.20 = 37,611.30/x
  3. Step 3: Cross multiply
    52,744.92x = 72,712.20 × 37,611.30
  4. Step 4: Simplify right side
    52,744.92x = 2,734,800,367.86
  5. Step 5: Solve for x
    x = 2,734,800,367.86/52,744.92
  6. Step 6: Final answer
    x = 51,849.55

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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.