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Finding the Fourth Proportional to 50,754.60, 70,032.06 and 29,540.70

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Solution

The fourth proportional to 50,754.60, 70,032.06 and 29,540.70 is: 40,760.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,754.60 : 70,032.06 = 29,540.70 : x
  2. Step 2: Convert to fraction form
    50,754.60/70,032.06 = 29,540.70/x
  3. Step 3: Cross multiply
    50,754.60x = 70,032.06 × 29,540.70
  4. Step 4: Simplify right side
    50,754.60x = 2,068,796,074.84
  5. Step 5: Solve for x
    x = 2,068,796,074.84/50,754.60
  6. Step 6: Final answer
    x = 40,760.76

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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.