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Finding the Fourth Proportional to 15.52, 23.26 and 10.76

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Solution

The fourth proportional to 15.52, 23.26 and 10.76 is: 16.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15.52 : 23.26 = 10.76 : x
  2. Step 2: Convert to fraction form
    15.52/23.26 = 10.76/x
  3. Step 3: Cross multiply
    15.52x = 23.26 × 10.76
  4. Step 4: Simplify right side
    15.52x = 250.28
  5. Step 5: Solve for x
    x = 250.28/15.52
  6. Step 6: Final answer
    x = 16.13

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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.