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Finding the Fourth Proportional to 23.58, 32.54 and 13.88

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Solution

The fourth proportional to 23.58, 32.54 and 13.88 is: 19.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.58 : 32.54 = 13.88 : x
  2. Step 2: Convert to fraction form
    23.58/32.54 = 13.88/x
  3. Step 3: Cross multiply
    23.58x = 32.54 × 13.88
  4. Step 4: Simplify right side
    23.58x = 451.42
  5. Step 5: Solve for x
    x = 451.42/23.58
  6. Step 6: Final answer
    x = 19.14

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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.