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Finding the Fourth Proportional to 50,716.91, 76,079.01 and 15,652.01

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Solution

The fourth proportional to 50,716.91, 76,079.01 and 15,652.01 is: 23,479.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,716.91 : 76,079.01 = 15,652.01 : x
  2. Step 2: Convert to fraction form
    50,716.91/76,079.01 = 15,652.01/x
  3. Step 3: Cross multiply
    50,716.91x = 76,079.01 × 15,652.01
  4. Step 4: Simplify right side
    50,716.91x = 1,190,789,425.31
  5. Step 5: Solve for x
    x = 1,190,789,425.31/50,716.91
  6. Step 6: Final answer
    x = 23,479.14

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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.