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Finding the Fourth Proportional to 67.98, 93.76 and 62.52

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Solution

The fourth proportional to 67.98, 93.76 and 62.52 is: 86.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67.98 : 93.76 = 62.52 : x
  2. Step 2: Convert to fraction form
    67.98/93.76 = 62.52/x
  3. Step 3: Cross multiply
    67.98x = 93.76 × 62.52
  4. Step 4: Simplify right side
    67.98x = 5,861.88
  5. Step 5: Solve for x
    x = 5,861.88/67.98
  6. Step 6: Final answer
    x = 86.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.