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Finding the Fourth Proportional to 63.99, 95.88 and 50.46

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Solution

The fourth proportional to 63.99, 95.88 and 50.46 is: 75.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.99 : 95.88 = 50.46 : x
  2. Step 2: Convert to fraction form
    63.99/95.88 = 50.46/x
  3. Step 3: Cross multiply
    63.99x = 95.88 × 50.46
  4. Step 4: Simplify right side
    63.99x = 4,838.10
  5. Step 5: Solve for x
    x = 4,838.10/63.99
  6. Step 6: Final answer
    x = 75.61

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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.