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Finding the Fourth Proportional to 255.32, 382.97 and 62.94

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Solution

The fourth proportional to 255.32, 382.97 and 62.94 is: 94.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    255.32 : 382.97 = 62.94 : x
  2. Step 2: Convert to fraction form
    255.32/382.97 = 62.94/x
  3. Step 3: Cross multiply
    255.32x = 382.97 × 62.94
  4. Step 4: Simplify right side
    255.32x = 24,104.13
  5. Step 5: Solve for x
    x = 24,104.13/255.32
  6. Step 6: Final answer
    x = 94.41

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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.