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Finding the Fourth Proportional to 11.67, 17.53 and 10.02

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Solution

The fourth proportional to 11.67, 17.53 and 10.02 is: 15.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11.67 : 17.53 = 10.02 : x
  2. Step 2: Convert to fraction form
    11.67/17.53 = 10.02/x
  3. Step 3: Cross multiply
    11.67x = 17.53 × 10.02
  4. Step 4: Simplify right side
    11.67x = 175.65
  5. Step 5: Solve for x
    x = 175.65/11.67
  6. Step 6: Final answer
    x = 15.05

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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.