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Finding the Fourth Proportional to 23.55, 32.51 and 14.82

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Solution

The fourth proportional to 23.55, 32.51 and 14.82 is: 20.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.55 : 32.51 = 14.82 : x
  2. Step 2: Convert to fraction form
    23.55/32.51 = 14.82/x
  3. Step 3: Cross multiply
    23.55x = 32.51 × 14.82
  4. Step 4: Simplify right side
    23.55x = 481.64
  5. Step 5: Solve for x
    x = 481.64/23.55
  6. Step 6: Final answer
    x = 20.45

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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.