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Finding the Fourth Proportional to 23.49, 32.41 and 14.74

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Solution

The fourth proportional to 23.49, 32.41 and 14.74 is: 20.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.49 : 32.41 = 14.74 : x
  2. Step 2: Convert to fraction form
    23.49/32.41 = 14.74/x
  3. Step 3: Cross multiply
    23.49x = 32.41 × 14.74
  4. Step 4: Simplify right side
    23.49x = 477.71
  5. Step 5: Solve for x
    x = 477.71/23.49
  6. Step 6: Final answer
    x = 20.33

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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.