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Finding the Fourth Proportional to 254.97, 382.45 and 62.59

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Solution

The fourth proportional to 254.97, 382.45 and 62.59 is: 93.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    254.97 : 382.45 = 62.59 : x
  2. Step 2: Convert to fraction form
    254.97/382.45 = 62.59/x
  3. Step 3: Cross multiply
    254.97x = 382.45 × 62.59
  4. Step 4: Simplify right side
    254.97x = 23,937.55
  5. Step 5: Solve for x
    x = 23,937.55/254.97
  6. Step 6: Final answer
    x = 93.88

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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.