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Finding the Fourth Proportional to 11.41, 15.72 and 10.60

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Solution

The fourth proportional to 11.41, 15.72 and 10.60 is: 14.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11.41 : 15.72 = 10.60 : x
  2. Step 2: Convert to fraction form
    11.41/15.72 = 10.60/x
  3. Step 3: Cross multiply
    11.41x = 15.72 × 10.60
  4. Step 4: Simplify right side
    11.41x = 166.65
  5. Step 5: Solve for x
    x = 166.65/11.41
  6. Step 6: Final answer
    x = 14.60

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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.