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Finding the Fourth Proportional to 23.90, 32.98 and 16.14

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Solution

The fourth proportional to 23.90, 32.98 and 16.14 is: 22.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.90 : 32.98 = 16.14 : x
  2. Step 2: Convert to fraction form
    23.90/32.98 = 16.14/x
  3. Step 3: Cross multiply
    23.90x = 32.98 × 16.14
  4. Step 4: Simplify right side
    23.90x = 532.30
  5. Step 5: Solve for x
    x = 532.30/23.90
  6. Step 6: Final answer
    x = 22.27

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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.