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Finding the Fourth Proportional to 57,716.28, 86,623.02 and 22,680.54

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Solution

The fourth proportional to 57,716.28, 86,623.02 and 22,680.54 is: 34,039.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,716.28 : 86,623.02 = 22,680.54 : x
  2. Step 2: Convert to fraction form
    57,716.28/86,623.02 = 22,680.54/x
  3. Step 3: Cross multiply
    57,716.28x = 86,623.02 × 22,680.54
  4. Step 4: Simplify right side
    57,716.28x = 1,964,656,870.03
  5. Step 5: Solve for x
    x = 1,964,656,870.03/57,716.28
  6. Step 6: Final answer
    x = 34,039.91

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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.