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Finding the Fourth Proportional to 17,282.23, 25,920.20 and 4,799.12

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Solution

The fourth proportional to 17,282.23, 25,920.20 and 4,799.12 is: 7,197.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,282.23 : 25,920.20 = 4,799.12 : x
  2. Step 2: Convert to fraction form
    17,282.23/25,920.20 = 4,799.12/x
  3. Step 3: Cross multiply
    17,282.23x = 25,920.20 × 4,799.12
  4. Step 4: Simplify right side
    17,282.23x = 124,394,032.62
  5. Step 5: Solve for x
    x = 124,394,032.62/17,282.23
  6. Step 6: Final answer
    x = 7,197.80

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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.