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Finding the Fourth Proportional to 16.36, 24.54 and 15.64

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Solution

The fourth proportional to 16.36, 24.54 and 15.64 is: 23.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.36 : 24.54 = 15.64 : x
  2. Step 2: Convert to fraction form
    16.36/24.54 = 15.64/x
  3. Step 3: Cross multiply
    16.36x = 24.54 × 15.64
  4. Step 4: Simplify right side
    16.36x = 383.81
  5. Step 5: Solve for x
    x = 383.81/16.36
  6. Step 6: Final answer
    x = 23.46

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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.