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Finding the Fourth Proportional to 16.52, 24.90 and 15.51

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Solution

The fourth proportional to 16.52, 24.90 and 15.51 is: 23.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.52 : 24.90 = 15.51 : x
  2. Step 2: Convert to fraction form
    16.52/24.90 = 15.51/x
  3. Step 3: Cross multiply
    16.52x = 24.90 × 15.51
  4. Step 4: Simplify right side
    16.52x = 386.12
  5. Step 5: Solve for x
    x = 386.12/16.52
  6. Step 6: Final answer
    x = 23.37

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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.