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Finding the Fourth Proportional to 16.37, 22.59 and 10.55

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Solution

The fourth proportional to 16.37, 22.59 and 10.55 is: 14.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.37 : 22.59 = 10.55 : x
  2. Step 2: Convert to fraction form
    16.37/22.59 = 10.55/x
  3. Step 3: Cross multiply
    16.37x = 22.59 × 10.55
  4. Step 4: Simplify right side
    16.37x = 238.21
  5. Step 5: Solve for x
    x = 238.21/16.37
  6. Step 6: Final answer
    x = 14.56

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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.