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Finding the Fourth Proportional to 34.94, 52.35 and 16.88

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Solution

The fourth proportional to 34.94, 52.35 and 16.88 is: 25.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.94 : 52.35 = 16.88 : x
  2. Step 2: Convert to fraction form
    34.94/52.35 = 16.88/x
  3. Step 3: Cross multiply
    34.94x = 52.35 × 16.88
  4. Step 4: Simplify right side
    34.94x = 883.67
  5. Step 5: Solve for x
    x = 883.67/34.94
  6. Step 6: Final answer
    x = 25.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.