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Finding the Fourth Proportional to 16.32, 24.72 and 16.04

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Solution

The fourth proportional to 16.32, 24.72 and 16.04 is: 24.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.32 : 24.72 = 16.04 : x
  2. Step 2: Convert to fraction form
    16.32/24.72 = 16.04/x
  3. Step 3: Cross multiply
    16.32x = 24.72 × 16.04
  4. Step 4: Simplify right side
    16.32x = 396.51
  5. Step 5: Solve for x
    x = 396.51/16.32
  6. Step 6: Final answer
    x = 24.30

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.