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Finding the Fourth Proportional to 16.77, 25.14 and 9.56

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Solution

The fourth proportional to 16.77, 25.14 and 9.56 is: 14.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.77 : 25.14 = 9.56 : x
  2. Step 2: Convert to fraction form
    16.77/25.14 = 9.56/x
  3. Step 3: Cross multiply
    16.77x = 25.14 × 9.56
  4. Step 4: Simplify right side
    16.77x = 240.21
  5. Step 5: Solve for x
    x = 240.21/16.77
  6. Step 6: Final answer
    x = 14.32

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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.