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Finding the Fourth Proportional to 17,992.62, 24,830.21 and 10,918.26

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Solution

The fourth proportional to 17,992.62, 24,830.21 and 10,918.26 is: 15,067.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,992.62 : 24,830.21 = 10,918.26 : x
  2. Step 2: Convert to fraction form
    17,992.62/24,830.21 = 10,918.26/x
  3. Step 3: Cross multiply
    17,992.62x = 24,830.21 × 10,918.26
  4. Step 4: Simplify right side
    17,992.62x = 271,102,688.63
  5. Step 5: Solve for x
    x = 271,102,688.63/17,992.62
  6. Step 6: Final answer
    x = 15,067.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.