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Finding the Fourth Proportional to 66.04, 98.96 and 41.94

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Solution

The fourth proportional to 66.04, 98.96 and 41.94 is: 62.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66.04 : 98.96 = 41.94 : x
  2. Step 2: Convert to fraction form
    66.04/98.96 = 41.94/x
  3. Step 3: Cross multiply
    66.04x = 98.96 × 41.94
  4. Step 4: Simplify right side
    66.04x = 4,150.17
  5. Step 5: Solve for x
    x = 4,150.17/66.04
  6. Step 6: Final answer
    x = 62.85

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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.