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Finding the Fourth Proportional to 52,960.67, 79,451.94 and 15,521.97

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Solution

The fourth proportional to 52,960.67, 79,451.94 and 15,521.97 is: 23,286.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,960.67 : 79,451.94 = 15,521.97 : x
  2. Step 2: Convert to fraction form
    52,960.67/79,451.94 = 15,521.97/x
  3. Step 3: Cross multiply
    52,960.67x = 79,451.94 × 15,521.97
  4. Step 4: Simplify right side
    52,960.67x = 1,233,250,629.12
  5. Step 5: Solve for x
    x = 1,233,250,629.12/52,960.67
  6. Step 6: Final answer
    x = 23,286.16

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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.