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Finding the Fourth Proportional to 17.84, 24.60 and 16.76

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Solution

The fourth proportional to 17.84, 24.60 and 16.76 is: 23.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.84 : 24.60 = 16.76 : x
  2. Step 2: Convert to fraction form
    17.84/24.60 = 16.76/x
  3. Step 3: Cross multiply
    17.84x = 24.60 × 16.76
  4. Step 4: Simplify right side
    17.84x = 412.30
  5. Step 5: Solve for x
    x = 412.30/17.84
  6. Step 6: Final answer
    x = 23.11

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1.5x scale

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.