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Finding the Fourth Proportional to 50,716.92, 76,079.02 and 15,652.02

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Solution

The fourth proportional to 50,716.92, 76,079.02 and 15,652.02 is: 23,479.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,716.92 : 76,079.02 = 15,652.02 : x
  2. Step 2: Convert to fraction form
    50,716.92/76,079.02 = 15,652.02/x
  3. Step 3: Cross multiply
    50,716.92x = 76,079.02 × 15,652.02
  4. Step 4: Simplify right side
    50,716.92x = 1,190,790,342.62
  5. Step 5: Solve for x
    x = 1,190,790,342.62/50,716.92
  6. Step 6: Final answer
    x = 23,479.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.