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Finding the Fourth Proportional to 11,662.39, 17,493.13 and 3,342.39

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Solution

The fourth proportional to 11,662.39, 17,493.13 and 3,342.39 is: 5,013.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,662.39 : 17,493.13 = 3,342.39 : x
  2. Step 2: Convert to fraction form
    11,662.39/17,493.13 = 3,342.39/x
  3. Step 3: Cross multiply
    11,662.39x = 17,493.13 × 3,342.39
  4. Step 4: Simplify right side
    11,662.39x = 58,468,862.78
  5. Step 5: Solve for x
    x = 58,468,862.78/11,662.39
  6. Step 6: Final answer
    x = 5,013.45

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1.5x scale

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.