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Finding the Fourth Proportional to 12.48, 17.10 and 12.41

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Solution

The fourth proportional to 12.48, 17.10 and 12.41 is: 17.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12.48 : 17.10 = 12.41 : x
  2. Step 2: Convert to fraction form
    12.48/17.10 = 12.41/x
  3. Step 3: Cross multiply
    12.48x = 17.10 × 12.41
  4. Step 4: Simplify right side
    12.48x = 212.21
  5. Step 5: Solve for x
    x = 212.21/12.48
  6. Step 6: Final answer
    x = 17.00

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.