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Finding the Fourth Proportional to 67.84, 101.76 and 29.35

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Solution

The fourth proportional to 67.84, 101.76 and 29.35 is: 44.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    67.84 : 101.76 = 29.35 : x
  2. Step 2: Convert to fraction form
    67.84/101.76 = 29.35/x
  3. Step 3: Cross multiply
    67.84x = 101.76 × 29.35
  4. Step 4: Simplify right side
    67.84x = 2,986.66
  5. Step 5: Solve for x
    x = 2,986.66/67.84
  6. Step 6: Final answer
    x = 44.03

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