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Finding the Fourth Proportional to 63.99, 95.18 and 62.98

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Solution

The fourth proportional to 63.99, 95.18 and 62.98 is: 93.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.99 : 95.18 = 62.98 : x
  2. Step 2: Convert to fraction form
    63.99/95.18 = 62.98/x
  3. Step 3: Cross multiply
    63.99x = 95.18 × 62.98
  4. Step 4: Simplify right side
    63.99x = 5,993.88
  5. Step 5: Solve for x
    x = 5,993.88/63.99
  6. Step 6: Final answer
    x = 93.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.